253699387219 has 2 divisors, whose sum is σ = 253699387220. Its totient is φ = 253699387218.

The previous prime is 253699387181. The next prime is 253699387247. The reversal of 253699387219 is 912783996352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253699387219 - 2²⁵ = 253665832787 is a prime.

It is a super-2 number, since 2×253699387219² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (253699307219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126849693609 + 126849693610.

It is an arithmetic number, because the mean of its divisors is an integer number (126849693610).

Almost surely, 2^253699387219 is an apocalyptic number.

253699387219 is a deficient number, since it is larger than the sum of its proper divisors (1).

253699387219 is an equidigital number, since it uses as much as digits as its factorization.

253699387219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44089920, while the sum is 64.

The spelling of 253699387219 in words is "two hundred fifty-three billion, six hundred ninety-nine million, three hundred eighty-seven thousand, two hundred nineteen".