13415510491 has 2 divisors, whose sum is σ = 13415510492. Its totient is φ = 13415510490.

The previous prime is 13415510483. The next prime is 13415510513. The reversal of 13415510491 is 19401551431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13415510491 - 2³ = 13415510483 is a prime.

It is a super-2 number, since 2×13415510491² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13415517491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6707755245 + 6707755246.

It is an arithmetic number, because the mean of its divisors is an integer number (6707755246).

Almost surely, 2^13415510491 is an apocalyptic number.

13415510491 is a deficient number, since it is larger than the sum of its proper divisors (1).

13415510491 is an equidigital number, since it uses as much as digits as its factorization.

13415510491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 13415510491 in words is "thirteen billion, four hundred fifteen million, five hundred ten thousand, four hundred ninety-one".