15413311312349 has 2 divisors, whose sum is σ = 15413311312350. Its totient is φ = 15413311312348.

The previous prime is 15413311312337. The next prime is 15413311312367. The reversal of 15413311312349 is 94321311331451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14554362340324 + 858948972025 = 3815018^2 + 926795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15413311312349 is a prime.

It is a super-2 number, since 2×15413311312349² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15413311315349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7706655656174 + 7706655656175.

It is an arithmetic number, because the mean of its divisors is an integer number (7706655656175).

Almost surely, 2^{15413311312349} is an apocalyptic number.

It is an amenable number.

15413311312349 is a deficient number, since it is larger than the sum of its proper divisors (1).

15413311312349 is an equidigital number, since it uses as much as digits as its factorization.

15413311312349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The spelling of 15413311312349 in words is "fifteen trillion, four hundred thirteen billion, three hundred eleven million, three hundred twelve thousand, three hundred forty-nine".