15804396073 has 2 divisors, whose sum is σ = 15804396074. Its totient is φ = 15804396072.

The previous prime is 15804396067. The next prime is 15804396077. The reversal of 15804396073 is 37069340851.

15804396073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11632269609 + 4172126464 = 107853^2 + 64592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15804396073 is a prime.

It is not a weakly prime, because it can be changed into another prime (15804396077) 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, 7902198036 + 7902198037.

It is an arithmetic number, because the mean of its divisors is an integer number (7902198037).

Almost surely, 2^15804396073 is an apocalyptic number.

It is an amenable number.

15804396073 is a deficient number, since it is larger than the sum of its proper divisors (1).

15804396073 is an equidigital number, since it uses as much as digits as its factorization.

15804396073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 15804396073 in words is "fifteen billion, eight hundred four million, three hundred ninety-six thousand, seventy-three".