3975996081 has 8 divisors (see below), whose sum is σ = 5312215744. Its totient is φ = 2645220240.

The previous prime is 3975996071. The next prime is 3975996097. The reversal of 3975996081 is 1806995793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3975996081 - 2¹⁷ = 3975865009 is a prime.

It is a super-2 number, since 2×3975996081² = 31617089672254717122, which contains 22 as substring.

It is the 63056-th Hogben number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3975996071) by changing a digit.

It is a nontrivial repunit in base 63055.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1359250 + ... + 1362171.

It is an arithmetic number, because the mean of its divisors is an integer number (664026968).

Almost surely, 2^3975996081 is an apocalyptic number.

It is an amenable number.

3975996081 is a deficient number, since it is larger than the sum of its proper divisors (1336219663).

3975996081 is a wasteful number, since it uses less digits than its factorization.

3975996081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721911.

The product of its (nonzero) digits is 3674160, while the sum is 57.

The square root of 3975996081 is about 63055.5000059471. The cubic root of 3975996081 is about 1584.2193585067.

The spelling of 3975996081 in words is "three billion, nine hundred seventy-five million, nine hundred ninety-six thousand, eighty-one".