13398020999 has 8 divisors (see below), whose sum is σ = 14622868992. Its totient is φ = 12174314040.

The previous prime is 13398020971. The next prime is 13398021017. The reversal of 13398020999 is 99902089331.

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 13398020999 - 2¹² = 13398016903 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 13398020999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13398020299) 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, 260609 + ... + 307754.

It is an arithmetic number, because the mean of its divisors is an integer number (1827858624).

Almost surely, 2^13398020999 is an apocalyptic number.

13398020999 is a deficient number, since it is larger than the sum of its proper divisors (1224847993).

13398020999 is a wasteful number, since it uses less digits than its factorization.

13398020999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570517.

The product of its (nonzero) digits is 944784, while the sum is 53.

The spelling of 13398020999 in words is "thirteen billion, three hundred ninety-eight million, twenty thousand, nine hundred ninety-nine".