3956051688959 has 4 divisors (see below), whose sum is σ = 3956265098280. Its totient is φ = 3955838279640.

The previous prime is 3956051688913. The next prime is 3956051689021. The reversal of 3956051688959 is 9598861506593.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3956051688959 - 2⁸ = 3956051688703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3956051688859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106676852 + ... + 106713929.

It is an arithmetic number, because the mean of its divisors is an integer number (989066274570).

Almost surely, 2^{3956051688959} is an apocalyptic number.

3956051688959 is a deficient number, since it is larger than the sum of its proper divisors (213409321).

3956051688959 is a wasteful number, since it uses less digits than its factorization.

3956051688959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213409320.

The product of its (nonzero) digits is 629856000, while the sum is 74.

The spelling of 3956051688959 in words is "three trillion, nine hundred fifty-six billion, fifty-one million, six hundred eighty-eight thousand, nine hundred fifty-nine".