236555490013 has 2 divisors, whose sum is σ = 236555490014. Its totient is φ = 236555490012.

The previous prime is 236555490011. The next prime is 236555490043. The reversal of 236555490013 is 310094555632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147845633049 + 88709856964 = 384507^2 + 297842^2 .

It is a cyclic number.

It is not a de Polignac number, because 236555490013 - 2¹ = 236555490011 is a prime.

Together with 236555490011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (236555490011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118277745006 + 118277745007.

It is an arithmetic number, because the mean of its divisors is an integer number (118277745007).

Almost surely, 2^236555490013 is an apocalyptic number.

It is an amenable number.

236555490013 is a deficient number, since it is larger than the sum of its proper divisors (1).

236555490013 is an equidigital number, since it uses as much as digits as its factorization.

236555490013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 236555490013 in words is "two hundred thirty-six billion, five hundred fifty-five million, four hundred ninety thousand, thirteen".