13151043491 has 2 divisors, whose sum is σ = 13151043492. Its totient is φ = 13151043490.

The previous prime is 13151043463. The next prime is 13151043517. The reversal of 13151043491 is 19434015131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13151043491 is a prime.

It is not a weakly prime, because it can be changed into another prime (13151043391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6575521745 + 6575521746.

It is an arithmetic number, because the mean of its divisors is an integer number (6575521746).

Almost surely, 2^13151043491 is an apocalyptic number.

13151043491 is a deficient number, since it is larger than the sum of its proper divisors (1).

13151043491 is an equidigital number, since it uses as much as digits as its factorization.

13151043491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 13151043491 in words is "thirteen billion, one hundred fifty-one million, forty-three thousand, four hundred ninety-one".