15813028897 has 2 divisors, whose sum is σ = 15813028898. Its totient is φ = 15813028896.

The previous prime is 15813028849. The next prime is 15813028921. The reversal of 15813028897 is 79882031851.

It is a happy number.

15813028897 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., 13271961616 + 2541067281 = 115204^2 + 50409^2 .

It is an emirp because it is prime and its reverse (79882031851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15813028897 - 2⁷ = 15813028769 is a prime.

It is not a weakly prime, because it can be changed into another prime (15813028807) 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, 7906514448 + 7906514449.

It is an arithmetic number, because the mean of its divisors is an integer number (7906514449).

Almost surely, 2^15813028897 is an apocalyptic number.

It is an amenable number.

15813028897 is a deficient number, since it is larger than the sum of its proper divisors (1).

15813028897 is an equidigital number, since it uses as much as digits as its factorization.

15813028897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 52.

The spelling of 15813028897 in words is "fifteen billion, eight hundred thirteen million, twenty-eight thousand, eight hundred ninety-seven".