12733991893 has 8 divisors (see below), whose sum is σ = 14561027712. Its totient is φ = 10908929616.

The previous prime is 12733991873. The next prime is 12733991993. The reversal of 12733991893 is 39819933721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12733991893 - 2¹³ = 12733983701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12733991813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479530 + ... + 505387.

It is an arithmetic number, because the mean of its divisors is an integer number (1820128464).

Almost surely, 2^12733991893 is an apocalyptic number.

It is an amenable number.

12733991893 is a deficient number, since it is larger than the sum of its proper divisors (1827035819).

12733991893 is an equidigital number, since it uses as much as digits as its factorization.

12733991893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986771.

The product of its digits is 2204496, while the sum is 55.

The spelling of 12733991893 in words is "twelve billion, seven hundred thirty-three million, nine hundred ninety-one thousand, eight hundred ninety-three".