15091968937 has 2 divisors, whose sum is σ = 15091968938. Its totient is φ = 15091968936.

The previous prime is 15091968919. The next prime is 15091968971. The reversal of 15091968937 is 73986919051.

15091968937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14596505856 + 495463081 = 120816^2 + 22259^2 .

It is a cyclic number.

It is not a de Polignac number, because 15091968937 - 2²³ = 15083580329 is a prime.

It is not a weakly prime, because it can be changed into another prime (15097968937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7545984468 + 7545984469.

It is an arithmetic number, because the mean of its divisors is an integer number (7545984469).

Almost surely, 2^15091968937 is an apocalyptic number.

It is an amenable number.

15091968937 is a deficient number, since it is larger than the sum of its proper divisors (1).

15091968937 is an equidigital number, since it uses as much as digits as its factorization.

15091968937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3674160, while the sum is 58.

The spelling of 15091968937 in words is "fifteen billion, ninety-one million, nine hundred sixty-eight thousand, nine hundred thirty-seven".