2186020793 has 4 divisors (see below), whose sum is σ = 2384749968. Its totient is φ = 1987291620.

The previous prime is 2186020789. The next prime is 2186020817. The reversal of 2186020793 is 3970206812.

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 a cyclic number.

It is not a de Polignac number, because 2186020793 - 2² = 2186020789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2186020703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99364571 + ... + 99364592.

It is an arithmetic number, because the mean of its divisors is an integer number (596187492).

Almost surely, 2^2186020793 is an apocalyptic number.

It is an amenable number.

2186020793 is a deficient number, since it is larger than the sum of its proper divisors (198729175).

2186020793 is a wasteful number, since it uses less digits than its factorization.

2186020793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198729174.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 2186020793 is about 46754.9012724869. The cubic root of 2186020793 is about 1297.8308585850.

The spelling of 2186020793 in words is "two billion, one hundred eighty-six million, twenty thousand, seven hundred ninety-three".