3961580051 has 12 divisors (see below), whose sum is σ = 4689424656. Its totient is φ = 3324401520.

The previous prime is 3961579997. The next prime is 3961580069. The reversal of 3961580051 is 1500851693.

It is a de Polignac number, because none of the positive numbers 2^k-3961580051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3961579987 and 3961580014.

It is not an unprimeable number, because it can be changed into a prime (3961580251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1257671 + ... + 1260816.

It is an arithmetic number, because the mean of its divisors is an integer number (390785388).

Almost surely, 2^3961580051 is an apocalyptic number.

3961580051 is a deficient number, since it is larger than the sum of its proper divisors (727844605).

3961580051 is a wasteful number, since it uses less digits than its factorization.

3961580051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518522 (or 2518511 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 3961580051 is about 62941.0839674691. The cubic root of 3961580051 is about 1582.3023704113.

It can be divided in two parts, 396 and 1580051, that multiplied together give a square (625700196 = 25014²).

The spelling of 3961580051 in words is "three billion, nine hundred sixty-one million, five hundred eighty thousand, fifty-one".