3913409758756 has 27 divisors (see below), whose sum is σ = 7076733559707. Its totient is φ = 1893526020120.

The previous prime is 3913409758723. The next prime is 3913409758757. The reversal of 3913409758756 is 6578579043193.

The square root of 3913409758756 is 1978234.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3913409758691 and 3913409758700.

It is not an unprimeable number, because it can be changed into a prime (3913409758757) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 122634555 + ... + 122666461.

Almost surely, 2^{3913409758756} is an apocalyptic number.

3913409758756 is the 1978234-th square number.

It is an amenable number.

3913409758756 is a deficient number, since it is larger than the sum of its proper divisors (3163323800951).

3913409758756 is an frugal number, since it uses more digits than its factorization.

3913409758756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63880 (or 31940 counting only the distinct ones).

The product of its (nonzero) digits is 171460800, while the sum is 67.

The spelling of 3913409758756 in words is "three trillion, nine hundred thirteen billion, four hundred nine million, seven hundred fifty-eight thousand, seven hundred fifty-six".