2190239780079 has 12 divisors (see below), whose sum is σ = 3144972955208. Its totient is φ = 1347834177120.

The previous prime is 2190239780063. The next prime is 2190239780087. The reversal of 2190239780079 is 9700879320912.

It is not a de Polignac number, because 2190239780079 - 2⁴ = 2190239780063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190239780009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9123769 + ... + 9360749.

Almost surely, 2^{2190239780079} is an apocalyptic number.

2190239780079 is a deficient number, since it is larger than the sum of its proper divisors (954733175129).

2190239780079 is an frugal number, since it uses more digits than its factorization.

2190239780079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473978 (or 236997 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 57.

The spelling of 2190239780079 in words is "two trillion, one hundred ninety billion, two hundred thirty-nine million, seven hundred eighty thousand, seventy-nine".