15376316749 has 2 divisors, whose sum is σ = 15376316750. Its totient is φ = 15376316748.

The previous prime is 15376316701. The next prime is 15376316771. The reversal of 15376316749 is 94761367351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15279432100 + 96884649 = 123610^2 + 9843^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15376316749 is a prime.

It is a super-2 number, since 2×15376316749² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15376316696 and 15376316705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15376310749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7688158374 + 7688158375.

It is an arithmetic number, because the mean of its divisors is an integer number (7688158375).

Almost surely, 2^15376316749 is an apocalyptic number.

It is an amenable number.

15376316749 is a deficient number, since it is larger than the sum of its proper divisors (1).

15376316749 is an equidigital number, since it uses as much as digits as its factorization.

15376316749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2857680, while the sum is 52.

The spelling of 15376316749 in words is "fifteen billion, three hundred seventy-six million, three hundred sixteen thousand, seven hundred forty-nine".