396393516719 has 4 divisors (see below), whose sum is σ = 397456234296. Its totient is φ = 395330799144.

The previous prime is 396393516709. The next prime is 396393516731. The reversal of 396393516719 is 917615393693.

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 396393516719 - 2⁴ = 396393516703 is a prime.

It is a super-2 number, since 2×396393516719² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396393516709) 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, 531358229 + ... + 531358974.

It is an arithmetic number, because the mean of its divisors is an integer number (99364058574).

Almost surely, 2^396393516719 is an apocalyptic number.

396393516719 is a deficient number, since it is larger than the sum of its proper divisors (1062717577).

396393516719 is a wasteful number, since it uses less digits than its factorization.

396393516719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062717576.

The product of its digits is 24800580, while the sum is 62.

The spelling of 396393516719 in words is "three hundred ninety-six billion, three hundred ninety-three million, five hundred sixteen thousand, seven hundred nineteen".