2018790399 has 24 divisors (see below), whose sum is σ = 2747230992. Its totient is φ = 1318625280.

The previous prime is 2018790383. The next prime is 2018790407. The reversal of 2018790399 is 9930978102.

It is not a de Polignac number, because 2018790399 - 2⁴ = 2018790383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018791399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3149119 + ... + 3149759.

It is an arithmetic number, because the mean of its divisors is an integer number (114467958).

Almost surely, 2^2018790399 is an apocalyptic number.

2018790399 is a deficient number, since it is larger than the sum of its proper divisors (728440593).

2018790399 is an equidigital number, since it uses as much as digits as its factorization.

2018790399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987 (or 914 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 2018790399 is about 44930.9514588774. The cubic root of 2018790399 is about 1263.8544935370.

The spelling of 2018790399 in words is "two billion, eighteen million, seven hundred ninety thousand, three hundred ninety-nine".