8638527453 has 24 divisors (see below), whose sum is σ = 11947304928. Its totient is φ = 5551858368.

The previous prime is 8638527433. The next prime is 8638527461. The reversal of 8638527453 is 3547258368.

It is a happy number.

It is not a de Polignac number, because 8638527453 - 2⁶ = 8638527389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8638527396 and 8638527405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8638527433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1907650 + ... + 1912172.

It is an arithmetic number, because the mean of its divisors is an integer number (497804372).

Almost surely, 2^8638527453 is an apocalyptic number.

It is an amenable number.

8638527453 is a deficient number, since it is larger than the sum of its proper divisors (3308777475).

8638527453 is a wasteful number, since it uses less digits than its factorization.

8638527453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341 (or 5312 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 51.

The square root of 8638527453 is about 92943.6789297691. The cubic root of 8638527453 is about 2051.8545543909.

The spelling of 8638527453 in words is "eight billion, six hundred thirty-eight million, five hundred twenty-seven thousand, four hundred fifty-three".