394361163493 has 16 divisors (see below), whose sum is σ = 431529753600. Its totient is φ = 357412834800.

The previous prime is 394361163481. The next prime is 394361163529.

394361163493 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 394361163493 - 2²⁵ = 394327609061 is a prime.

It is a super-2 number, since 2×394361163493² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 394361163493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394361163793) 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, 13303258 + ... + 13332868.

It is an arithmetic number, because the mean of its divisors is an integer number (26970609600).

Almost surely, 2^394361163493 is an apocalyptic number.

It is an amenable number.

394361163493 is a deficient number, since it is larger than the sum of its proper divisors (37168590107).

394361163493 is a wasteful number, since it uses less digits than its factorization.

394361163493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33288.

The product of its digits is 3779136, while the sum is 52.

The spelling of 394361163493 in words is "three hundred ninety-four billion, three hundred sixty-one million, one hundred sixty-three thousand, four hundred ninety-three".