2115729202 has 4 divisors (see below), whose sum is σ = 3173593806. Its totient is φ = 1057864600.

The previous prime is 2115729181. The next prime is 2115729229. The reversal of 2115729202 is 2029275112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2014304161 + 101425041 = 44881^2 + 10071^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528932299 + ... + 528932302.

Almost surely, 2^2115729202 is an apocalyptic number.

2115729202 is a deficient number, since it is larger than the sum of its proper divisors (1057864604).

2115729202 is a wasteful number, since it uses less digits than its factorization.

2115729202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057864603.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 2115729202 is about 45997.0564492990. The cubic root of 2115729202 is about 1283.7684359181.

The spelling of 2115729202 in words is "two billion, one hundred fifteen million, seven hundred twenty-nine thousand, two hundred two".