391059168963 has 4 divisors (see below), whose sum is σ = 521412225288. Its totient is φ = 260706112640.

The previous prime is 391059168943. The next prime is 391059169001. The reversal of 391059168963 is 369861950193.

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 391059168963 - 2⁸ = 391059168707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 391059168897 and 391059168906.

It is not an unprimeable number, because it can be changed into a prime (391059168923) 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, 65176528158 + ... + 65176528163.

It is an arithmetic number, because the mean of its divisors is an integer number (130353056322).

Almost surely, 2^391059168963 is an apocalyptic number.

391059168963 is a deficient number, since it is larger than the sum of its proper divisors (130353056325).

391059168963 is a wasteful number, since it uses less digits than its factorization.

391059168963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130353056324.

The product of its (nonzero) digits is 9447840, while the sum is 60.

The spelling of 391059168963 in words is "three hundred ninety-one billion, fifty-nine million, one hundred sixty-eight thousand, nine hundred sixty-three".