975090639023 has 4 divisors (see below), whose sum is σ = 991075731528. Its totient is φ = 959105546520.

The previous prime is 975090638981. The next prime is 975090639037. The reversal of 975090639023 is 320936090579.

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

It is a cyclic number.

It is not a de Polignac number, because 975090639023 - 2³⁴ = 957910769839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (975090630023) 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, 7992546161 + ... + 7992546282.

It is an arithmetic number, because the mean of its divisors is an integer number (247768932882).

Almost surely, 2^975090639023 is an apocalyptic number.

975090639023 is a deficient number, since it is larger than the sum of its proper divisors (15985092505).

975090639023 is a wasteful number, since it uses less digits than its factorization.

975090639023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15985092504.

The product of its (nonzero) digits is 2755620, while the sum is 53.

The spelling of 975090639023 in words is "nine hundred seventy-five billion, ninety million, six hundred thirty-nine thousand, twenty-three".