1898080113 has 4 divisors (see below), whose sum is σ = 2530773488. Its totient is φ = 1265386740.

The previous prime is 1898080099. The next prime is 1898080139. The reversal of 1898080113 is 3110808981.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1898080113 - 2⁶ = 1898080049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1898080013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316346683 + ... + 316346688.

It is an arithmetic number, because the mean of its divisors is an integer number (632693372).

Almost surely, 2^1898080113 is an apocalyptic number.

It is an amenable number.

1898080113 is a deficient number, since it is larger than the sum of its proper divisors (632693375).

1898080113 is an equidigital number, since it uses as much as digits as its factorization.

1898080113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632693374.

The product of its (nonzero) digits is 13824, while the sum is 39.

The square root of 1898080113 is about 43566.9612550612. The cubic root of 1898080113 is about 1238.1450136486.

The spelling of 1898080113 in words is "one billion, eight hundred ninety-eight million, eighty thousand, one hundred thirteen".