90930969361 has 16 divisors (see below), whose sum is σ = 97284354048. Its totient is φ = 84781312000.

The previous prime is 90930969319. The next prime is 90930969377. The reversal of 90930969361 is 16396903909.

It is a de Polignac number, because none of the positive numbers 2^k-90930969361 is a prime.

It is a super-2 number, since 2×90930969361² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90930969761) 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 15 ways as a sum of consecutive naturals, for example, 1043505 + ... + 1127281.

It is an arithmetic number, because the mean of its divisors is an integer number (6080272128).

Almost surely, 2^90930969361 is an apocalyptic number.

It is an amenable number.

90930969361 is a deficient number, since it is larger than the sum of its proper divisors (6353384687).

90930969361 is a wasteful number, since it uses less digits than its factorization.

90930969361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84992.

The product of its (nonzero) digits is 2125764, while the sum is 55.

The spelling of 90930969361 in words is "ninety billion, nine hundred thirty million, nine hundred sixty-nine thousand, three hundred sixty-one".