90830534913 has 6 divisors (see below), whose sum is σ = 131199661554. Its totient is φ = 60553689936.

The previous prime is 90830534909. The next prime is 90830534917. The reversal of 90830534913 is 31943503809.

It is an interprime number because it is at equal distance from previous prime (90830534909) and next prime (90830534917).

It can be written as a sum of positive squares in only one way, i.e., 79966225089 + 10864309824 = 282783^2 + 104232^2 .

It is not a de Polignac number, because 90830534913 - 2² = 90830534909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90830534917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5046140820 + ... + 5046140837.

It is an arithmetic number, because the mean of its divisors is an integer number (21866610259).

Almost surely, 2^90830534913 is an apocalyptic number.

It is an amenable number.

90830534913 is a deficient number, since it is larger than the sum of its proper divisors (40369126641).

90830534913 is a wasteful number, since it uses less digits than its factorization.

90830534913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10092281663 (or 10092281660 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 90830534913 in words is "ninety billion, eight hundred thirty million, five hundred thirty-four thousand, nine hundred thirteen".