394699422513 has 16 divisors (see below), whose sum is σ = 607879325376. Its totient is φ = 225140490240.

The previous prime is 394699422499. The next prime is 394699422527. The reversal of 394699422513 is 315224996493.

It is an interprime number because it is at equal distance from previous prime (394699422499) and next prime (394699422527).

It is not a de Polignac number, because 394699422513 - 2⁹ = 394699422001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (394699422583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351781456 + ... + 351782577.

It is an arithmetic number, because the mean of its divisors is an integer number (37992457836).

Almost surely, 2^394699422513 is an apocalyptic number.

394699422513 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

394699422513 is a deficient number, since it is larger than the sum of its proper divisors (213179902863).

394699422513 is a wasteful number, since it uses less digits than its factorization.

394699422513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703564064.

The product of its digits is 12597120, while the sum is 57.

The spelling of 394699422513 in words is "three hundred ninety-four billion, six hundred ninety-nine million, four hundred twenty-two thousand, five hundred thirteen".