2642662536 has 64 divisors (see below), whose sum is σ = 6670278720. Its totient is φ = 872448000.

The previous prime is 2642662531. The next prime is 2642662541. The reversal of 2642662536 is 6352662462.

It is an interprime number because it is at equal distance from previous prime (2642662531) and next prime (2642662541).

It is not an unprimeable number, because it can be changed into a prime (2642662531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1161496 + ... + 1163768.

It is an arithmetic number, because the mean of its divisors is an integer number (104223105).

Almost surely, 2^2642662536 is an apocalyptic number.

It is an amenable number.

2642662536 is an abundant number, since it is smaller than the sum of its proper divisors (4027616184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2642662536 is a wasteful number, since it uses less digits than its factorization.

2642662536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726 (or 2722 counting only the distinct ones).

The product of its digits is 622080, while the sum is 42.

The square root of 2642662536 is about 51406.8335535267. The cubic root of 2642662536 is about 1382.5491174328.

The spelling of 2642662536 in words is "two billion, six hundred forty-two million, six hundred sixty-two thousand, five hundred thirty-six".