53025740639 has 2 divisors, whose sum is σ = 53025740640. Its totient is φ = 53025740638.

The previous prime is 53025740557. The next prime is 53025740641. The reversal of 53025740639 is 93604752035.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53025740639 is a prime.

It is a super-2 number, since 2×53025740639² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 53025740641, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53025740639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53025700639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26512870319 + 26512870320.

It is an arithmetic number, because the mean of its divisors is an integer number (26512870320).

Almost surely, 2^53025740639 is an apocalyptic number.

53025740639 is a deficient number, since it is larger than the sum of its proper divisors (1).

53025740639 is an equidigital number, since it uses as much as digits as its factorization.

53025740639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 44.

The spelling of 53025740639 in words is "fifty-three billion, twenty-five million, seven hundred forty thousand, six hundred thirty-nine".