1972095939 has 24 divisors (see below), whose sum is σ = 3113373744. Its totient is φ = 1192968000.

The previous prime is 1972095919. The next prime is 1972095953. The reversal of 1972095939 is 9395902791.

It is not a de Polignac number, because 1972095939 - 2¹⁷ = 1971964867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1972095919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35149 + ... + 71969.

It is an arithmetic number, because the mean of its divisors is an integer number (129723906).

Almost surely, 2^1972095939 is an apocalyptic number.

1972095939 is a deficient number, since it is larger than the sum of its proper divisors (1141277805).

1972095939 is a wasteful number, since it uses less digits than its factorization.

1972095939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37379 (or 37376 counting only the distinct ones).

The product of its (nonzero) digits is 1377810, while the sum is 54.

The square root of 1972095939 is about 44408.2868280234. The cubic root of 1972095939 is about 1254.0341004745.

The spelling of 1972095939 in words is "one billion, nine hundred seventy-two million, ninety-five thousand, nine hundred thirty-nine".