190495971925 has 24 divisors (see below), whose sum is σ = 270046840896. Its totient is φ = 130583792640.

The previous prime is 190495971863. The next prime is 190495971983. The reversal of 190495971925 is 529179594091.

It is not a de Polignac number, because 190495971925 - 2¹³ = 190495963733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 375474 + ... + 722476.

It is an arithmetic number, because the mean of its divisors is an integer number (11251951704).

Almost surely, 2^190495971925 is an apocalyptic number.

It is an amenable number.

190495971925 is a deficient number, since it is larger than the sum of its proper divisors (79550868971).

190495971925 is a wasteful number, since it uses less digits than its factorization.

190495971925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350157 (or 350152 counting only the distinct ones).

The product of its (nonzero) digits is 9185400, while the sum is 61.

The spelling of 190495971925 in words is "one hundred ninety billion, four hundred ninety-five million, nine hundred seventy-one thousand, nine hundred twenty-five".