15021935473 has 2 divisors, whose sum is σ = 15021935474. Its totient is φ = 15021935472.

The previous prime is 15021935449. The next prime is 15021935479. The reversal of 15021935473 is 37453912051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13083470689 + 1938464784 = 114383^2 + 44028^2 .

It is a cyclic number.

It is not a de Polignac number, because 15021935473 - 2⁵ = 15021935441 is a prime.

It is not a weakly prime, because it can be changed into another prime (15021935479) 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, 7510967736 + 7510967737.

It is an arithmetic number, because the mean of its divisors is an integer number (7510967737).

Almost surely, 2^15021935473 is an apocalyptic number.

It is an amenable number.

15021935473 is a deficient number, since it is larger than the sum of its proper divisors (1).

15021935473 is an equidigital number, since it uses as much as digits as its factorization.

15021935473 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 15021935473 in words is "fifteen billion, twenty-one million, nine hundred thirty-five thousand, four hundred seventy-three".