391013705399 has 8 divisors (see below), whose sum is σ = 398939355360. Its totient is φ = 383108353056.

The previous prime is 391013705393. The next prime is 391013705413. The reversal of 391013705399 is 993507310193.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-391013705399 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 (391013705393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5035484 + ... + 5112545.

It is an arithmetic number, because the mean of its divisors is an integer number (49867419420).

Almost surely, 2^391013705399 is an apocalyptic number.

391013705399 is a deficient number, since it is larger than the sum of its proper divisors (7925649961).

391013705399 is a wasteful number, since it uses less digits than its factorization.

391013705399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10148809.

The product of its (nonzero) digits is 688905, while the sum is 50.

The spelling of 391013705399 in words is "three hundred ninety-one billion, thirteen million, seven hundred five thousand, three hundred ninety-nine".