15316868353 has 2 divisors, whose sum is σ = 15316868354. Its totient is φ = 15316868352.

The previous prime is 15316868341. The next prime is 15316868393. The reversal of 15316868353 is 35386861351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14200773889 + 1116094464 = 119167^2 + 33408^2 .

It is an emirp because it is prime and its reverse (35386861351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15316868353 - 2³³ = 6726933761 is a prime.

It is a super-2 number, since 2×15316868353² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15316868297 and 15316868306.

It is not a weakly prime, because it can be changed into another prime (15316868393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7658434176 + 7658434177.

It is an arithmetic number, because the mean of its divisors is an integer number (7658434177).

Almost surely, 2^15316868353 is an apocalyptic number.

It is an amenable number.

15316868353 is a deficient number, since it is larger than the sum of its proper divisors (1).

15316868353 is an equidigital number, since it uses as much as digits as its factorization.

15316868353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 49.

The spelling of 15316868353 in words is "fifteen billion, three hundred sixteen million, eight hundred sixty-eight thousand, three hundred fifty-three".