394662492033 has 16 divisors (see below), whose sum is σ = 554554183680. Its totient is φ = 248971659984.

The previous prime is 394662491933. The next prime is 394662492041. The reversal of 394662492033 is 330294266493.

It is a happy number.

It is not a de Polignac number, because 394662492033 - 2¹⁰ = 394662491009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (394662492073) 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, 3962341 + ... + 4060722.

It is an arithmetic number, because the mean of its divisors is an integer number (34659636480).

Almost surely, 2^394662492033 is an apocalyptic number.

It is an amenable number.

394662492033 is a deficient number, since it is larger than the sum of its proper divisors (159891691647).

394662492033 is a wasteful number, since it uses less digits than its factorization.

394662492033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8023948.

The product of its (nonzero) digits is 5038848, while the sum is 51.

The spelling of 394662492033 in words is "three hundred ninety-four billion, six hundred sixty-two million, four hundred ninety-two thousand, thirty-three".