2129195239 has 6 divisors (see below), whose sum is σ = 2137814736. Its totient is φ = 2120581620.

The previous prime is 2129195219. The next prime is 2129195279. The reversal of 2129195239 is 9325919212.

It is a happy number.

It is not a de Polignac number, because 2129195239 - 2⁵ = 2129195207 is a prime.

It is a super-3 number, since 3×2129195239³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2129195195 and 2129195204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129195219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 758212 + ... + 761014.

It is an arithmetic number, because the mean of its divisors is an integer number (356302456).

Almost surely, 2^2129195239 is an apocalyptic number.

2129195239 is a deficient number, since it is larger than the sum of its proper divisors (8619497).

2129195239 is an frugal number, since it uses more digits than its factorization.

2129195239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5877 (or 3074 counting only the distinct ones).

The product of its digits is 87480, while the sum is 43.

The square root of 2129195239 is about 46143.2036057316. The cubic root of 2129195239 is about 1286.4862894325.

The spelling of 2129195239 in words is "two billion, one hundred twenty-nine million, one hundred ninety-five thousand, two hundred thirty-nine".