253796992616863 has 2 divisors, whose sum is σ = 253796992616864. Its totient is φ = 253796992616862.

The previous prime is 253796992616819. The next prime is 253796992616911. The reversal of 253796992616863 is 368616299697352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253796992616863 - 2²⁹ = 253796455745951 is a prime.

It is a super-2 number, since 2×253796992616863² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253796992616813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126898496308431 + 126898496308432.

It is an arithmetic number, because the mean of its divisors is an integer number (126898496308432).

Almost surely, 2^{253796992616863} is an apocalyptic number.

253796992616863 is a deficient number, since it is larger than the sum of its proper divisors (1).

253796992616863 is an equidigital number, since it uses as much as digits as its factorization.

253796992616863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9523422720, while the sum is 82.

The spelling of 253796992616863 in words is "two hundred fifty-three trillion, seven hundred ninety-six billion, nine hundred ninety-two million, six hundred sixteen thousand, eight hundred sixty-three".