2190618793 has 8 divisors (see below), whose sum is σ = 2530340640. Its totient is φ = 1874326080.

The previous prime is 2190618779. The next prime is 2190618799. The reversal of 2190618793 is 3978160912.

It is a happy number.

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

It is not a de Polignac number, because 2190618793 - 2²¹ = 2188521641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2190618799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5857083 + ... + 5857456.

It is an arithmetic number, because the mean of its divisors is an integer number (316292580).

Almost surely, 2^2190618793 is an apocalyptic number.

It is an amenable number.

2190618793 is a deficient number, since it is larger than the sum of its proper divisors (339721847).

2190618793 is a wasteful number, since it uses less digits than its factorization.

2190618793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11714567.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 2190618793 is about 46804.0467588007. The cubic root of 2190618793 is about 1298.7401587613.

The spelling of 2190618793 in words is "two billion, one hundred ninety million, six hundred eighteen thousand, seven hundred ninety-three".