253953507839 has 2 divisors, whose sum is σ = 253953507840. Its totient is φ = 253953507838.

The previous prime is 253953507823. The next prime is 253953507883. The reversal of 253953507839 is 938705359352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253953507839 - 2⁴ = 253953507823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253953507439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126976753919 + 126976753920.

It is an arithmetic number, because the mean of its divisors is an integer number (126976753920).

Almost surely, 2^253953507839 is an apocalyptic number.

253953507839 is a deficient number, since it is larger than the sum of its proper divisors (1).

253953507839 is an equidigital number, since it uses as much as digits as its factorization.

253953507839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618000, while the sum is 59.

The spelling of 253953507839 in words is "two hundred fifty-three billion, nine hundred fifty-three million, five hundred seven thousand, eight hundred thirty-nine".