3959260756991 has 4 divisors (see below), whose sum is σ = 3971222270184. Its totient is φ = 3947299243800.

The previous prime is 3959260756939. The next prime is 3959260757021. The reversal of 3959260756991 is 1996570629593.

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 3959260756991 - 2¹⁴ = 3959260740607 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 (3959260756291) 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, 5980756100 + ... + 5980756761.

It is an arithmetic number, because the mean of its divisors is an integer number (992805567546).

Almost surely, 2^{3959260756991} is an apocalyptic number.

3959260756991 is a deficient number, since it is larger than the sum of its proper divisors (11961513193).

3959260756991 is a wasteful number, since it uses less digits than its factorization.

3959260756991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11961513192.

The product of its (nonzero) digits is 248005800, while the sum is 71.

The spelling of 3959260756991 in words is "three trillion, nine hundred fifty-nine billion, two hundred sixty million, seven hundred fifty-six thousand, nine hundred ninety-one".