2190779037 has 12 divisors (see below), whose sum is σ = 3169578880. Its totient is φ = 1458156168.

The previous prime is 2190779033. The next prime is 2190779039. The reversal of 2190779037 is 7309770912.

It is not a de Polignac number, because 2190779037 - 2² = 2190779033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2190778983 and 2190779001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190779033) 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 11 ways as a sum of consecutive naturals, for example, 191053 + ... + 202194.

Almost surely, 2^2190779037 is an apocalyptic number.

It is an amenable number.

2190779037 is a deficient number, since it is larger than the sum of its proper divisors (978799843).

2190779037 is a wasteful number, since it uses less digits than its factorization.

2190779037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393872 (or 393869 counting only the distinct ones).

The product of its (nonzero) digits is 166698, while the sum is 45.

The square root of 2190779037 is about 46805.7585880199. The cubic root of 2190779037 is about 1298.7718256499.

The spelling of 2190779037 in words is "two billion, one hundred ninety million, seven hundred seventy-nine thousand, thirty-seven".