15250319473 has 2 divisors, whose sum is σ = 15250319474. Its totient is φ = 15250319472.

The previous prime is 15250319453. The next prime is 15250319479. The reversal of 15250319473 is 37491305251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9196234609 + 6054084864 = 95897^2 + 77808^2 .

It is an emirp because it is prime and its reverse (37491305251) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15250319473 is a prime.

It is not a weakly prime, because it can be changed into another prime (15250319479) 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, 7625159736 + 7625159737.

It is an arithmetic number, because the mean of its divisors is an integer number (7625159737).

Almost surely, 2^15250319473 is an apocalyptic number.

It is an amenable number.

15250319473 is a deficient number, since it is larger than the sum of its proper divisors (1).

15250319473 is an equidigital number, since it uses as much as digits as its factorization.

15250319473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 15250319473 in words is "fifteen billion, two hundred fifty million, three hundred nineteen thousand, four hundred seventy-three".