2642989536 has 72 divisors (see below), whose sum is σ = 8199284184. Its totient is φ = 800904960.

The previous prime is 2642989529. The next prime is 2642989553. The reversal of 2642989536 is 6359892462.

It is a happy number.

2642989536 is a `hidden beast` number, since 2 + 6 + 4 + 29 + 89 + 536 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 413971 + ... + 420306.

It is an arithmetic number, because the mean of its divisors is an integer number (113878947).

Almost surely, 2^2642989536 is an apocalyptic number.

It is an amenable number.

2642989536 is an abundant number, since it is smaller than the sum of its proper divisors (5556294648).

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

2642989536 is a wasteful number, since it uses less digits than its factorization.

2642989536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834304 (or 834293 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The square root of 2642989536 is about 51410.0139661525. The cubic root of 2642989536 is about 1382.6061400895.

The spelling of 2642989536 in words is "two billion, six hundred forty-two million, nine hundred eighty-nine thousand, five hundred thirty-six".