316402462093 has 4 divisors (see below), whose sum is σ = 318525968700. Its totient is φ = 314278955488.

The previous prime is 316402462091. The next prime is 316402462111. The reversal of 316402462093 is 390264204613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28519778884 + 287882683209 = 168878^2 + 536547^2 .

It is a cyclic number.

It is not a de Polignac number, because 316402462093 - 2¹ = 316402462091 is a prime.

It is a super-2 number, since 2×316402462093² (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 (316402462091) 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, 1061753080 + ... + 1061753377.

It is an arithmetic number, because the mean of its divisors is an integer number (79631492175).

Almost surely, 2^316402462093 is an apocalyptic number.

It is an amenable number.

316402462093 is a deficient number, since it is larger than the sum of its proper divisors (2123506607).

316402462093 is a wasteful number, since it uses less digits than its factorization.

316402462093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123506606.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 316402462093 in words is "three hundred sixteen billion, four hundred two million, four hundred sixty-two thousand, ninety-three".