900712942544 has 20 divisors (see below), whose sum is σ = 1746197431524. Its totient is φ = 450081347328.

The previous prime is 900712942537. The next prime is 900712942579. The reversal of 900712942544 is 445249217009.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 375783712144 + 524929230400 = 613012^2 + 724520^2 .

It is a super-2 number, since 2×900712942544² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17168237 + ... + 17220620.

Almost surely, 2^900712942544 is an apocalyptic number.

It is an amenable number.

900712942544 is a deficient number, since it is larger than the sum of its proper divisors (845484488980).

900712942544 is a wasteful number, since it uses less digits than its factorization.

900712942544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34390502 (or 34390496 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 900712942544 in words is "nine hundred billion, seven hundred twelve million, nine hundred forty-two thousand, five hundred forty-four".