394763367493 has 16 divisors (see below), whose sum is σ = 435050148672. Its totient is φ = 355212000000.

The previous prime is 394763367491. The next prime is 394763367521.

394763367493 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 394763367493 - 2¹ = 394763367491 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 (394763367491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3627118 + ... + 3734368.

It is an arithmetic number, because the mean of its divisors is an integer number (27190634292).

Almost surely, 2^394763367493 is an apocalyptic number.

It is an amenable number.

394763367493 is a deficient number, since it is larger than the sum of its proper divisors (40286781179).

394763367493 is a wasteful number, since it uses less digits than its factorization.

394763367493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110676.

The product of its digits is 185177664, while the sum is 64.

The spelling of 394763367493 in words is "three hundred ninety-four billion, seven hundred sixty-three million, three hundred sixty-seven thousand, four hundred ninety-three".