90970414231 has 4 divisors (see below), whose sum is σ = 93189204864. Its totient is φ = 88751623600.

The previous prime is 90970414217. The next prime is 90970414237. The reversal of 90970414231 is 13241407909.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90970414231 is a prime.

It is a super-2 number, since 2×90970414231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90970414237) 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, 1109395255 + ... + 1109395336.

It is an arithmetic number, because the mean of its divisors is an integer number (23297301216).

Almost surely, 2^90970414231 is an apocalyptic number.

90970414231 is a deficient number, since it is larger than the sum of its proper divisors (2218790633).

90970414231 is a wasteful number, since it uses less digits than its factorization.

90970414231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218790632.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 90970414231 in words is "ninety billion, nine hundred seventy million, four hundred fourteen thousand, two hundred thirty-one".