2129409315 has 24 divisors (see below), whose sum is σ = 4026520368. Its totient is φ = 1032440640.

The previous prime is 2129409301. The next prime is 2129409353. The reversal of 2129409315 is 5139049212.

2129409315 is a `hidden beast` number, since 212 + 9 + 409 + 31 + 5 = 666.

It is not a de Polignac number, because 2129409315 - 2⁹ = 2129408803 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2129409315.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2150424 + ... + 2151413.

It is an arithmetic number, because the mean of its divisors is an integer number (167771682).

Almost surely, 2^2129409315 is an apocalyptic number.

2129409315 is a deficient number, since it is larger than the sum of its proper divisors (1897111053).

2129409315 is a wasteful number, since it uses less digits than its factorization.

2129409315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4301859 (or 4301856 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 2129409315 is about 46145.5232389882. The cubic root of 2129409315 is about 1286.5294037830.

The spelling of 2129409315 in words is "two billion, one hundred twenty-nine million, four hundred nine thousand, three hundred fifteen".