2989575424639 has 4 divisors (see below), whose sum is σ = 3146921499640. Its totient is φ = 2832229349640.

The previous prime is 2989575424621. The next prime is 2989575424643. The reversal of 2989575424639 is 9364245759892.

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

It is a cyclic number.

It is not a de Polignac number, because 2989575424639 - 2⁹ = 2989575424127 is a prime.

It is a super-2 number, since 2×2989575424639² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989575424679) 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, 78673037472 + ... + 78673037509.

It is an arithmetic number, because the mean of its divisors is an integer number (786730374910).

Almost surely, 2^{2989575424639} is an apocalyptic number.

2989575424639 is a deficient number, since it is larger than the sum of its proper divisors (157346075001).

2989575424639 is a wasteful number, since it uses less digits than its factorization.

2989575424639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157346075000.

The product of its digits is 1175731200, while the sum is 73.

The spelling of 2989575424639 in words is "two trillion, nine hundred eighty-nine billion, five hundred seventy-five million, four hundred twenty-four thousand, six hundred thirty-nine".