53097913439 has 2 divisors, whose sum is σ = 53097913440. Its totient is φ = 53097913438.

The previous prime is 53097913369. The next prime is 53097913481. The reversal of 53097913439 is 93431979035.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53097913439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53097915439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26548956719 + 26548956720.

It is an arithmetic number, because the mean of its divisors is an integer number (26548956720).

Almost surely, 2^53097913439 is an apocalyptic number.

53097913439 is a deficient number, since it is larger than the sum of its proper divisors (1).

53097913439 is an equidigital number, since it uses as much as digits as its factorization.

53097913439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2755620, while the sum is 53.

The spelling of 53097913439 in words is "fifty-three billion, ninety-seven million, nine hundred thirteen thousand, four hundred thirty-nine".