2129345415 has 40 divisors (see below), whose sum is σ = 3839239008. Its totient is φ = 1129049280.

The previous prime is 2129345401. The next prime is 2129345417. The reversal of 2129345415 is 5145439212.

2129345415 is a `hidden beast` number, since 21 + 2 + 93 + 4 + 541 + 5 = 666.

It is not a de Polignac number, because 2129345415 - 2⁷ = 2129345287 is a prime.

It is a super-2 number, since 2×2129345415² = 9068223792763044450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2129345415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129345417) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 54870 + ... + 85260.

Almost surely, 2^2129345415 is an apocalyptic number.

2129345415 is a deficient number, since it is larger than the sum of its proper divisors (1709893593).

2129345415 is a wasteful number, since it uses less digits than its factorization.

2129345415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30581 (or 30572 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 2129345415 is about 46144.8308589380. The cubic root of 2129345415 is about 1286.5165347915.

The spelling of 2129345415 in words is "two billion, one hundred twenty-nine million, three hundred forty-five thousand, four hundred fifteen".