3975173081 has 16 divisors (see below), whose sum is σ = 4452150528. Its totient is φ = 3517852800.

The previous prime is 3975173029. The next prime is 3975173089. The reversal of 3975173081 is 1803715793.

It is not a de Polignac number, because 3975173081 - 2¹⁸ = 3974910937 is a prime.

It is a super-2 number, since 2×3975173081² = 31604002047814065122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3975173089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199295 + ... + 218331.

It is an arithmetic number, because the mean of its divisors is an integer number (278259408).

Almost surely, 2^3975173081 is an apocalyptic number.

It is an amenable number.

3975173081 is a deficient number, since it is larger than the sum of its proper divisors (476977447).

3975173081 is a wasteful number, since it uses less digits than its factorization.

3975173081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19552.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 3975173081 is about 63048.9736712661. The cubic root of 3975173081 is about 1584.1100439705.

The spelling of 3975173081 in words is "three billion, nine hundred seventy-five million, one hundred seventy-three thousand, eighty-one".