2102392023979 has 12 divisors (see below), whose sum is σ = 2276622077400. Its totient is φ = 1940612104704.

The previous prime is 2102392023937. The next prime is 2102392023983. The reversal of 2102392023979 is 9793202932012.

It is not a de Polignac number, because 2102392023979 - 2⁹ = 2102392023467 is a prime.

It is a super-2 number, since 2×2102392023979² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102392023989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6192267 + ... + 6522955.

It is an arithmetic number, because the mean of its divisors is an integer number (189718506450).

Almost surely, 2^{2102392023979} is an apocalyptic number.

2102392023979 is a deficient number, since it is larger than the sum of its proper divisors (174230053421).

2102392023979 is a wasteful number, since it uses less digits than its factorization.

2102392023979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368334 (or 368321 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 2102392023979 in words is "two trillion, one hundred two billion, three hundred ninety-two million, twenty-three thousand, nine hundred seventy-nine".