451450953801 has 27 divisors (see below), whose sum is σ = 675444725319. Its totient is φ = 290551493232.

The previous prime is 451450953781. The next prime is 451450953839. The reversal of 451450953801 is 108359054154.

It is a happy number.

The square root of 451450953801 is 671901.

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

451450953801 is a `hidden beast` number, since 4 + 5 + 14 + 509 + 53 + 80 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 236729929401 + 214721024400 = 486549^2 + 463380^2 .

It is not a de Polignac number, because 451450953801 - 2³¹ = 449303470153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (451450963801) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 58451526 + ... + 58459248.

Almost surely, 2^451450953801 is an apocalyptic number.

451450953801 is the 671901-st square number.

451450953801 is the 335951-st centered octagonal number.

It is an amenable number.

451450953801 is a deficient number, since it is larger than the sum of its proper divisors (223993771518).

451450953801 is an frugal number, since it uses more digits than its factorization.

451450953801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15510 (or 7755 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 451450953801 in words is "four hundred fifty-one billion, four hundred fifty million, nine hundred fifty-three thousand, eight hundred one".