13370890493 has 2 divisors, whose sum is σ = 13370890494. Its totient is φ = 13370890492.

The previous prime is 13370890433. The next prime is 13370890499. The reversal of 13370890493 is 39409807331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7555607929 + 5815282564 = 86923^2 + 76258^2 .

It is an emirp because it is prime and its reverse (39409807331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13370890493 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13370890499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6685445246 + 6685445247.

It is an arithmetic number, because the mean of its divisors is an integer number (6685445247).

Almost surely, 2^13370890493 is an apocalyptic number.

It is an amenable number.

13370890493 is a deficient number, since it is larger than the sum of its proper divisors (1).

13370890493 is an equidigital number, since it uses as much as digits as its factorization.

13370890493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 13370890493 in words is "thirteen billion, three hundred seventy million, eight hundred ninety thousand, four hundred ninety-three".