2539204450964 has 12 divisors (see below), whose sum is σ = 4443884469024. Its totient is φ = 1269523174104.

The previous prime is 2539204450963. The next prime is 2539204450987. The reversal of 2539204450964 is 4690544029352.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2539204450963) 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, 19690544 + ... + 19819079.

It is an arithmetic number, because the mean of its divisors is an integer number (370323705752).

Almost surely, 2^{2539204450964} is an apocalyptic number.

It is an amenable number.

2539204450964 is a deficient number, since it is larger than the sum of its proper divisors (1904680018060).

2539204450964 is a wasteful number, since it uses less digits than its factorization.

2539204450964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39525694 (or 39525692 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 53.

The spelling of 2539204450964 in words is "two trillion, five hundred thirty-nine billion, two hundred four million, four hundred fifty thousand, nine hundred sixty-four".