13319497733 has 2 divisors, whose sum is σ = 13319497734. Its totient is φ = 13319497732.

The previous prime is 13319497703. The next prime is 13319497753. The reversal of 13319497733 is 33779491331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9443563684 + 3875934049 = 97178^2 + 62257^2 .

It is a cyclic number.

It is not a de Polignac number, because 13319497733 - 2⁶ = 13319497669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13319497703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6659748866 + 6659748867.

It is an arithmetic number, because the mean of its divisors is an integer number (6659748867).

Almost surely, 2^13319497733 is an apocalyptic number.

It is an amenable number.

13319497733 is a deficient number, since it is larger than the sum of its proper divisors (1).

13319497733 is an equidigital number, since it uses as much as digits as its factorization.

13319497733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1285956, while the sum is 50.

The spelling of 13319497733 in words is "thirteen billion, three hundred nineteen million, four hundred ninety-seven thousand, seven hundred thirty-three".