236465455013 has 2 divisors, whose sum is σ = 236465455014. Its totient is φ = 236465455012.

The previous prime is 236465454989. The next prime is 236465455049. The reversal of 236465455013 is 310554564632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197223033604 + 39242421409 = 444098^2 + 198097^2 .

It is a cyclic number.

It is not a de Polignac number, because 236465455013 - 2⁶ = 236465454949 is a prime.

It is a super-2 number, since 2×236465455013² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (236465455063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118232727506 + 118232727507.

It is an arithmetic number, because the mean of its divisors is an integer number (118232727507).

Almost surely, 2^236465455013 is an apocalyptic number.

It is an amenable number.

236465455013 is a deficient number, since it is larger than the sum of its proper divisors (1).

236465455013 is an equidigital number, since it uses as much as digits as its factorization.

236465455013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 236465455013 in words is "two hundred thirty-six billion, four hundred sixty-five million, four hundred fifty-five thousand, thirteen".