900981665313 has 12 divisors (see below), whose sum is σ = 1276130895120. Its totient is φ = 565321828672.

The previous prime is 900981665281. The next prime is 900981665341. The reversal of 900981665313 is 313566189009.

It is not a de Polignac number, because 900981665313 - 2⁵ = 900981665281 is a prime.

It is a super-2 number, since 2×900981665313² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (900981665383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 519596403 + ... + 519598136.

It is an arithmetic number, because the mean of its divisors is an integer number (106344241260).

Almost surely, 2^900981665313 is an apocalyptic number.

It is an amenable number.

900981665313 is a deficient number, since it is larger than the sum of its proper divisors (375149229807).

900981665313 is a wasteful number, since it uses less digits than its factorization.

900981665313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039194576 (or 1039194559 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 51.

The spelling of 900981665313 in words is "nine hundred billion, nine hundred eighty-one million, six hundred sixty-five thousand, three hundred thirteen".