383318937013 has 2 divisors, whose sum is σ = 383318937014. Its totient is φ = 383318937012.

The previous prime is 383318936999. The next prime is 383318937059. The reversal of 383318937013 is 310739813383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 378738083889 + 4580853124 = 615417^2 + 67682^2 .

It is an emirp because it is prime and its reverse (310739813383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 383318937013 - 2¹³ = 383318928821 is a prime.

It is a super-2 number, since 2×383318937013² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (383318937913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191659468506 + 191659468507.

It is an arithmetic number, because the mean of its divisors is an integer number (191659468507).

Almost surely, 2^383318937013 is an apocalyptic number.

It is an amenable number.

383318937013 is a deficient number, since it is larger than the sum of its proper divisors (1).

383318937013 is an equidigital number, since it uses as much as digits as its factorization.

383318937013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 383318937013 in words is "three hundred eighty-three billion, three hundred eighteen million, nine hundred thirty-seven thousand, thirteen".