2129086015 has 24 divisors (see below), whose sum is σ = 2994762672. Its totient is φ = 1448778240.

The previous prime is 2129086013. The next prime is 2129086049. The reversal of 2129086015 is 5106809212.

It is not a de Polignac number, because 2129086015 - 2¹ = 2129086013 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 (2129086013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1074 + ... + 65263.

It is an arithmetic number, because the mean of its divisors is an integer number (124781778).

Almost surely, 2^2129086015 is an apocalyptic number.

2129086015 is a deficient number, since it is larger than the sum of its proper divisors (865676657).

2129086015 is a wasteful number, since it uses less digits than its factorization.

2129086015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66487 (or 66480 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 2129086015 is about 46142.0200576438. The cubic root of 2129086015 is about 1286.4642908892.

The spelling of 2129086015 in words is "two billion, one hundred twenty-nine million, eighty-six thousand, fifteen".