1898117353 has 16 divisors (see below), whose sum is σ = 2130238656. Its totient is φ = 1676082240.

The previous prime is 1898117323. The next prime is 1898117357. The reversal of 1898117353 is 3537118981.

It is not a de Polignac number, because 1898117353 - 2⁹ = 1898116841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1898117357) 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, 258075 + ... + 265327.

It is an arithmetic number, because the mean of its divisors is an integer number (133139916).

Almost surely, 2^1898117353 is an apocalyptic number.

It is an amenable number.

1898117353 is a deficient number, since it is larger than the sum of its proper divisors (232121303).

1898117353 is a wasteful number, since it uses less digits than its factorization.

1898117353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7944.

The product of its digits is 181440, while the sum is 46.

The square root of 1898117353 is about 43567.3886410466. The cubic root of 1898117353 is about 1238.1531109919.

The spelling of 1898117353 in words is "one billion, eight hundred ninety-eight million, one hundred seventeen thousand, three hundred fifty-three".