15481097584349 has 2 divisors, whose sum is σ = 15481097584350. Its totient is φ = 15481097584348.

The previous prime is 15481097584327. The next prime is 15481097584363. The reversal of 15481097584349 is 94348579018451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10863734656324 + 4617362928025 = 3296018^2 + 2148805^2 .

It is a cyclic number.

It is not a de Polignac number, because 15481097584349 - 2³⁶ = 15412378107613 is a prime.

It is a super-2 number, since 2×15481097584349² (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 (15481097584949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7740548792174 + 7740548792175.

It is an arithmetic number, because the mean of its divisors is an integer number (7740548792175).

Almost surely, 2^{15481097584349} is an apocalyptic number.

It is an amenable number.

15481097584349 is a deficient number, since it is larger than the sum of its proper divisors (1).

15481097584349 is an equidigital number, since it uses as much as digits as its factorization.

15481097584349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174182400, while the sum is 68.

The spelling of 15481097584349 in words is "fifteen trillion, four hundred eighty-one billion, ninety-seven million, five hundred eighty-four thousand, three hundred forty-nine".