1817396113 has 8 divisors (see below), whose sum is σ = 2060206400. Its totient is φ = 1589301648.

The previous prime is 1817396093. The next prime is 1817396123. The reversal of 1817396113 is 3116937181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1817396113 - 2²⁵ = 1783841681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1817396123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3678693 + ... + 3679186.

It is an arithmetic number, because the mean of its divisors is an integer number (257525800).

Almost surely, 2^1817396113 is an apocalyptic number.

1817396113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1817396113 is a deficient number, since it is larger than the sum of its proper divisors (242810287).

1817396113 is a wasteful number, since it uses less digits than its factorization.

1817396113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7357911.

The product of its digits is 27216, while the sum is 40.

The square root of 1817396113 is about 42630.9290656443. The cubic root of 1817396113 is about 1220.3466078243.

The spelling of 1817396113 in words is "one billion, eight hundred seventeen million, three hundred ninety-six thousand, one hundred thirteen".