13090718693 has 4 divisors (see below), whose sum is σ = 14097697068. Its totient is φ = 12083740320.

The previous prime is 13090718653. The next prime is 13090718741. The reversal of 13090718693 is 39681709031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4761966049 + 8328752644 = 69007^2 + 91262^2 .

It is a cyclic number.

It is not a de Polignac number, because 13090718693 - 2¹² = 13090714597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13090718653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503489168 + ... + 503489193.

It is an arithmetic number, because the mean of its divisors is an integer number (3524424267).

Almost surely, 2^13090718693 is an apocalyptic number.

13090718693 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13090718693 is a deficient number, since it is larger than the sum of its proper divisors (1006978375).

13090718693 is a wasteful number, since it uses less digits than its factorization.

13090718693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006978374.

The product of its (nonzero) digits is 244944, while the sum is 47.

The spelling of 13090718693 in words is "thirteen billion, ninety million, seven hundred eighteen thousand, six hundred ninety-three".