8463486953 has 4 divisors (see below), whose sum is σ = 8492372868. Its totient is φ = 8434601040.

The previous prime is 8463486947. The next prime is 8463486973. The reversal of 8463486953 is 3596843648.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4816776409 + 3646710544 = 69403^2 + 60388^2 .

It is a cyclic number.

It is not a de Polignac number, because 8463486953 - 2⁴ = 8463486937 is a prime.

It is a super-2 number, since 2×8463486953² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8463486943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14442518 + ... + 14443103.

It is an arithmetic number, because the mean of its divisors is an integer number (2123093217).

Almost surely, 2^8463486953 is an apocalyptic number.

It is an amenable number.

8463486953 is a deficient number, since it is larger than the sum of its proper divisors (28885915).

8463486953 is a wasteful number, since it uses less digits than its factorization.

8463486953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28885914.

The product of its digits is 14929920, while the sum is 56.

The square root of 8463486953 is about 91997.2116588324. The cubic root of 8463486953 is about 2037.9011279340.

The spelling of 8463486953 in words is "eight billion, four hundred sixty-three million, four hundred eighty-six thousand, nine hundred fifty-three".