13049697571 has 2 divisors, whose sum is σ = 13049697572. Its totient is φ = 13049697570.

The previous prime is 13049697523. The next prime is 13049697593. The reversal of 13049697571 is 17579694031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13049697571 - 2¹⁷ = 13049566499 is a prime.

It is not a weakly prime, because it can be changed into another prime (13049697371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6524848785 + 6524848786.

It is an arithmetic number, because the mean of its divisors is an integer number (6524848786).

Almost surely, 2^13049697571 is an apocalyptic number.

13049697571 is a deficient number, since it is larger than the sum of its proper divisors (1).

13049697571 is an equidigital number, since it uses as much as digits as its factorization.

13049697571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 13049697571 in words is "thirteen billion, forty-nine million, six hundred ninety-seven thousand, five hundred seventy-one".