15930853439 has 2 divisors, whose sum is σ = 15930853440. Its totient is φ = 15930853438.

The previous prime is 15930853403. The next prime is 15930853481. The reversal of 15930853439 is 93435803951.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15930853439 - 2¹² = 15930849343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15930853489) 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, 7965426719 + 7965426720.

It is an arithmetic number, because the mean of its divisors is an integer number (7965426720).

Almost surely, 2^15930853439 is an apocalyptic number.

15930853439 is a deficient number, since it is larger than the sum of its proper divisors (1).

15930853439 is an equidigital number, since it uses as much as digits as its factorization.

15930853439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1749600, while the sum is 50.

The spelling of 15930853439 in words is "fifteen billion, nine hundred thirty million, eight hundred fifty-three thousand, four hundred thirty-nine".