391443996482 has 16 divisors (see below), whose sum is σ = 732051110592. Its totient is φ = 152510647920.

The previous prime is 391443996479. The next prime is 391443996523. The reversal of 391443996482 is 284699344193.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270921913 + ... + 1270922220.

It is an arithmetic number, because the mean of its divisors is an integer number (45753194412).

Almost surely, 2^391443996482 is an apocalyptic number.

391443996482 is a deficient number, since it is larger than the sum of its proper divisors (340607114110).

391443996482 is a wasteful number, since it uses less digits than its factorization.

391443996482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541844153.

The product of its digits is 40310784, while the sum is 62.

The spelling of 391443996482 in words is "three hundred ninety-one billion, four hundred forty-three million, nine hundred ninety-six thousand, four hundred eighty-two".