253555099079 has 2 divisors, whose sum is σ = 253555099080. Its totient is φ = 253555099078.

The previous prime is 253555099019. The next prime is 253555099087. The reversal of 253555099079 is 970990555352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253555099079 - 2²⁴ = 253538321863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253555099019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126777549539 + 126777549540.

It is an arithmetic number, because the mean of its divisors is an integer number (126777549540).

Almost surely, 2^253555099079 is an apocalyptic number.

253555099079 is a deficient number, since it is larger than the sum of its proper divisors (1).

253555099079 is an equidigital number, since it uses as much as digits as its factorization.

253555099079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19136250, while the sum is 59.

The spelling of 253555099079 in words is "two hundred fifty-three billion, five hundred fifty-five million, ninety-nine thousand, seventy-nine".