15147687967913 has 2 divisors, whose sum is σ = 15147687967914. Its totient is φ = 15147687967912.

The previous prime is 15147687967903. The next prime is 15147687967949. The reversal of 15147687967913 is 31976978674151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15121925470864 + 25762497049 = 3888692^2 + 160507^2 .

It is a cyclic number.

It is not a de Polignac number, because 15147687967913 - 2¹⁸ = 15147687705769 is a prime.

It is not a weakly prime, because it can be changed into another prime (15147687967903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7573843983956 + 7573843983957.

It is an arithmetic number, because the mean of its divisors is an integer number (7573843983957).

Almost surely, 2^{15147687967913} is an apocalyptic number.

It is an amenable number.

15147687967913 is a deficient number, since it is larger than the sum of its proper divisors (1).

15147687967913 is an equidigital number, since it uses as much as digits as its factorization.

15147687967913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480090240, while the sum is 74.

The spelling of 15147687967913 in words is "fifteen trillion, one hundred forty-seven billion, six hundred eighty-seven million, nine hundred sixty-seven thousand, nine hundred thirteen".