8642536403 has 8 divisors (see below), whose sum is σ = 9098520720. Its totient is φ = 8186663520.

The previous prime is 8642536393. The next prime is 8642536429. The reversal of 8642536403 is 3046352468.

8642536403 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8642536403 - 2⁴ = 8642536387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8642536433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166001 + ... + 211757.

It is an arithmetic number, because the mean of its divisors is an integer number (1137315090).

Almost surely, 2^8642536403 is an apocalyptic number.

8642536403 is a deficient number, since it is larger than the sum of its proper divisors (455984317).

8642536403 is a wasteful number, since it uses less digits than its factorization.

8642536403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55717.

The product of its (nonzero) digits is 414720, while the sum is 41.

The square root of 8642536403 is about 92965.2429836011. The cubic root of 8642536403 is about 2052.1719121127.

The spelling of 8642536403 in words is "eight billion, six hundred forty-two million, five hundred thirty-six thousand, four hundred three".