253916065913 has 2 divisors, whose sum is σ = 253916065914. Its totient is φ = 253916065912.

The previous prime is 253916065901. The next prime is 253916065951. The reversal of 253916065913 is 319560619352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251078159929 + 2837905984 = 501077^2 + 53272^2 .

It is a cyclic number.

It is not a de Polignac number, because 253916065913 - 2²⁴ = 253899288697 is a prime.

It is not a weakly prime, because it can be changed into another prime (253916065813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126958032956 + 126958032957.

It is an arithmetic number, because the mean of its divisors is an integer number (126958032957).

Almost surely, 2^253916065913 is an apocalyptic number.

It is an amenable number.

253916065913 is a deficient number, since it is larger than the sum of its proper divisors (1).

253916065913 is an equidigital number, since it uses as much as digits as its factorization.

253916065913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1312200, while the sum is 50.

The spelling of 253916065913 in words is "two hundred fifty-three billion, nine hundred sixteen million, sixty-five thousand, nine hundred thirteen".