18829418297 has 16 divisors (see below), whose sum is σ = 20284603200. Its totient is φ = 17413140480.

The previous prime is 18829418291. The next prime is 18829418317. The reversal of 18829418297 is 79281492881.

It is a cyclic number.

It is not a de Polignac number, because 18829418297 - 2⁴ = 18829418281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18829418291) 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, 3378329 + ... + 3383897.

It is an arithmetic number, because the mean of its divisors is an integer number (1267787700).

Almost surely, 2^18829418297 is an apocalyptic number.

18829418297 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

18829418297 is a deficient number, since it is larger than the sum of its proper divisors (1455184903).

18829418297 is a wasteful number, since it uses less digits than its factorization.

18829418297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9016.

The product of its digits is 4644864, while the sum is 59.

The spelling of 18829418297 in words is "eighteen billion, eight hundred twenty-nine million, four hundred eighteen thousand, two hundred ninety-seven".