7901966713 has 4 divisors (see below), whose sum is σ = 7914068388. Its totient is φ = 7889865040.

The previous prime is 7901966711. The next prime is 7901966747. The reversal of 7901966713 is 3176691097.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5125414464 + 2776552249 = 71592^2 + 52693^2 .

It is a cyclic number.

It is not a de Polignac number, because 7901966713 - 2¹ = 7901966711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7901966711) 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, 6049858 + ... + 6051163.

It is an arithmetic number, because the mean of its divisors is an integer number (1978517097).

Almost surely, 2^7901966713 is an apocalyptic number.

It is an amenable number.

7901966713 is a deficient number, since it is larger than the sum of its proper divisors (12101675).

7901966713 is a wasteful number, since it uses less digits than its factorization.

7901966713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12101674.

The product of its (nonzero) digits is 428652, while the sum is 49.

The square root of 7901966713 is about 88893.0071096709. The cubic root of 7901966713 is about 1991.7969604865.

The spelling of 7901966713 in words is "seven billion, nine hundred one million, nine hundred sixty-six thousand, seven hundred thirteen".