12915924473 has 2 divisors, whose sum is σ = 12915924474. Its totient is φ = 12915924472.

The previous prime is 12915924467. The next prime is 12915924547. The reversal of 12915924473 is 37442951921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11474051689 + 1441872784 = 107117^2 + 37972^2 .

It is an emirp because it is prime and its reverse (37442951921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12915924473 - 2⁶ = 12915924409 is a prime.

It is a super-2 number, since 2×12915924473² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12915924173) 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, 6457962236 + 6457962237.

It is an arithmetic number, because the mean of its divisors is an integer number (6457962237).

Almost surely, 2^12915924473 is an apocalyptic number.

It is an amenable number.

12915924473 is a deficient number, since it is larger than the sum of its proper divisors (1).

12915924473 is an equidigital number, since it uses as much as digits as its factorization.

12915924473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The spelling of 12915924473 in words is "twelve billion, nine hundred fifteen million, nine hundred twenty-four thousand, four hundred seventy-three".