253238075969 has 2 divisors, whose sum is σ = 253238075970. Its totient is φ = 253238075968.

The previous prime is 253238075957. The next prime is 253238076019. The reversal of 253238075969 is 969570832352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243357715969 + 9880360000 = 493313^2 + 99400^2 .

It is a cyclic number.

It is not a de Polignac number, because 253238075969 - 2²⁴ = 253221298753 is a prime.

It is a super-2 number, since 2×253238075969² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (253238075929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126619037984 + 126619037985.

It is an arithmetic number, because the mean of its divisors is an integer number (126619037985).

Almost surely, 2^253238075969 is an apocalyptic number.

It is an amenable number.

253238075969 is a deficient number, since it is larger than the sum of its proper divisors (1).

253238075969 is an equidigital number, since it uses as much as digits as its factorization.

253238075969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24494400, while the sum is 59.

The spelling of 253238075969 in words is "two hundred fifty-three billion, two hundred thirty-eight million, seventy-five thousand, nine hundred sixty-nine".