13021444099 has 8 divisors (see below), whose sum is σ = 13102951680. Its totient is φ = 12940008576.

The previous prime is 13021444087. The next prime is 13021444103. The reversal of 13021444099 is 99044412031.

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 13021444099 - 2⁵ = 13021444067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13321444099) 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, 370539 + ... + 404155.

It is an arithmetic number, because the mean of its divisors is an integer number (1637868960).

Almost surely, 2^13021444099 is an apocalyptic number.

13021444099 is a deficient number, since it is larger than the sum of its proper divisors (81507581).

13021444099 is a wasteful number, since it uses less digits than its factorization.

13021444099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36029.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 13021444099 in words is "thirteen billion, twenty-one million, four hundred forty-four thousand, ninety-nine".