13056233693 has 4 divisors (see below), whose sum is σ = 13056954720. Its totient is φ = 13055512668.

The previous prime is 13056233677. The next prime is 13056233719. The reversal of 13056233693 is 39633265031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13056233693 - 2⁴ = 13056233677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13056233693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13056233633) 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, 332633 + ... + 369806.

It is an arithmetic number, because the mean of its divisors is an integer number (3264238680).

Almost surely, 2^13056233693 is an apocalyptic number.

It is an amenable number.

13056233693 is a deficient number, since it is larger than the sum of its proper divisors (721027).

13056233693 is an equidigital number, since it uses as much as digits as its factorization.

13056233693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721026.

The product of its (nonzero) digits is 262440, while the sum is 41.

The spelling of 13056233693 in words is "thirteen billion, fifty-six million, two hundred thirty-three thousand, six hundred ninety-three".