15009747953 has 2 divisors, whose sum is σ = 15009747954. Its totient is φ = 15009747952.

The previous prime is 15009747919. The next prime is 15009748009. The reversal of 15009747953 is 35974790051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8141813824 + 6867934129 = 90232^2 + 82873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15009747953 is a prime.

It is a super-2 number, since 2×15009747953² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15009747553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7504873976 + 7504873977.

It is an arithmetic number, because the mean of its divisors is an integer number (7504873977).

Almost surely, 2^15009747953 is an apocalyptic number.

It is an amenable number.

15009747953 is a deficient number, since it is larger than the sum of its proper divisors (1).

15009747953 is an equidigital number, since it uses as much as digits as its factorization.

15009747953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1190700, while the sum is 50.

The spelling of 15009747953 in words is "fifteen billion, nine million, seven hundred forty-seven thousand, nine hundred fifty-three".