253043646319 has 2 divisors, whose sum is σ = 253043646320. Its totient is φ = 253043646318.

The previous prime is 253043646301. The next prime is 253043646377. The reversal of 253043646319 is 913646340352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253043646319 - 2¹⁷ = 253043515247 is a prime.

It is a super-2 number, since 2×253043646319² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253043946319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126521823159 + 126521823160.

It is an arithmetic number, because the mean of its divisors is an integer number (126521823160).

Almost surely, 2^253043646319 is an apocalyptic number.

253043646319 is a deficient number, since it is larger than the sum of its proper divisors (1).

253043646319 is an equidigital number, since it uses as much as digits as its factorization.

253043646319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 46.

The spelling of 253043646319 in words is "two hundred fifty-three billion, forty-three million, six hundred forty-six thousand, three hundred nineteen".