1913653898 has 16 divisors (see below), whose sum is σ = 3096092160. Its totient is φ = 881852016.

The previous prime is 1913653877. The next prime is 1913653919. The reversal of 1913653898 is 8983563191.

It is an interprime number because it is at equal distance from previous prime (1913653877) and next prime (1913653919).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40058 + ... + 73701.

It is an arithmetic number, because the mean of its divisors is an integer number (193505760).

Almost surely, 2^1913653898 is an apocalyptic number.

1913653898 is a deficient number, since it is larger than the sum of its proper divisors (1182438262).

1913653898 is a wasteful number, since it uses less digits than its factorization.

1913653898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114421.

The product of its digits is 1399680, while the sum is 53.

The square root of 1913653898 is about 43745.3300136140. The cubic root of 1913653898 is about 1241.5221287926.

The spelling of 1913653898 in words is "one billion, nine hundred thirteen million, six hundred fifty-three thousand, eight hundred ninety-eight".