3999256034596 has 9 divisors (see below), whose sum is σ = 6998705059899. Its totient is φ = 1999626017484.

The previous prime is 3999256034567. The next prime is 3999256034621. The reversal of 3999256034596 is 6954306529993.

The square root of 3999256034596 is 1999814.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3499675 + ... + 4499581.

Almost surely, 2^{3999256034596} is an apocalyptic number.

3999256034596 is the 1999814-th square number.

It is an amenable number.

3999256034596 is a deficient number, since it is larger than the sum of its proper divisors (2999449025303).

3999256034596 is an frugal number, since it uses more digits than its factorization.

3999256034596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999818 (or 999909 counting only the distinct ones).

The product of its (nonzero) digits is 425152800, while the sum is 70.

The spelling of 3999256034596 in words is "three trillion, nine hundred ninety-nine billion, two hundred fifty-six million, thirty-four thousand, five hundred ninety-six".