13494337891 has 2 divisors, whose sum is σ = 13494337892. Its totient is φ = 13494337890.

The previous prime is 13494337861. The next prime is 13494337921. The reversal of 13494337891 is 19873349431.

It is a balanced prime because it is at equal distance from previous prime (13494337861) and next prime (13494337921).

It is a cyclic number.

It is not a de Polignac number, because 13494337891 - 2⁷ = 13494337763 is a prime.

It is not a weakly prime, because it can be changed into another prime (13494337811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6747168945 + 6747168946.

It is an arithmetic number, because the mean of its divisors is an integer number (6747168946).

Almost surely, 2^13494337891 is an apocalyptic number.

13494337891 is a deficient number, since it is larger than the sum of its proper divisors (1).

13494337891 is an equidigital number, since it uses as much as digits as its factorization.

13494337891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 52.

The spelling of 13494337891 in words is "thirteen billion, four hundred ninety-four million, three hundred thirty-seven thousand, eight hundred ninety-one".