13393740433 has 16 divisors (see below), whose sum is σ = 14601072640. Its totient is φ = 12239326800.

The previous prime is 13393740431. The next prime is 13393740463. The reversal of 13393740433 is 33404739331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13393740433 - 2¹ = 13393740431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13393740431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143788 + ... + 217858.

It is an arithmetic number, because the mean of its divisors is an integer number (912567040).

Almost surely, 2^13393740433 is an apocalyptic number.

It is an amenable number.

13393740433 is a deficient number, since it is larger than the sum of its proper divisors (1207332207).

13393740433 is a wasteful number, since it uses less digits than its factorization.

13393740433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74428.

The product of its (nonzero) digits is 244944, while the sum is 40.

The spelling of 13393740433 in words is "thirteen billion, three hundred ninety-three million, seven hundred forty thousand, four hundred thirty-three".