463449154441 has 27 divisors (see below), whose sum is σ = 583852725333. Its totient is φ = 366636029760.

The previous prime is 463449154423. The next prime is 463449154613. The reversal of 463449154441 is 144451944364.

The square root of 463449154441 is 680771.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 238239225 + 463210915216 = 15435^2 + 680596^2 .

It is not a de Polignac number, because 463449154441 - 2¹³ = 463449146249 is a prime.

It is a super-3 number, since 3×463449154441³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (463449154141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 61946421 + ... + 61953901.

Almost surely, 2^463449154441 is an apocalyptic number.

463449154441 is the 680771-st square number.

463449154441 is the 340386-th centered octagonal number.

It is an amenable number.

463449154441 is a deficient number, since it is larger than the sum of its proper divisors (120403570892).

463449154441 is an frugal number, since it uses more digits than its factorization.

463449154441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15002 (or 7501 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 49.

Multiplying 463449154441 by its sum of digits (49), we get a square (22709008567609 = 4765397²).

463449154441 divided by its sum of digits (49) gives a square (9458146009 = 97253²).

The spelling of 463449154441 in words is "four hundred sixty-three billion, four hundred forty-nine million, one hundred fifty-four thousand, four hundred forty-one".