2100749015 has 8 divisors (see below), whose sum is σ = 2521218528. Its totient is φ = 1680386080.

The previous prime is 2100748967. The next prime is 2100749017. The reversal of 2100749015 is 5109470012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2100749015 - 2²² = 2096554711 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 (2100749017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26285 + ... + 69945.

It is an arithmetic number, because the mean of its divisors is an integer number (315152316).

Almost surely, 2^2100749015 is an apocalyptic number.

2100749015 is a deficient number, since it is larger than the sum of its proper divisors (420469513).

2100749015 is an equidigital number, since it uses as much as digits as its factorization.

2100749015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53289.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 2100749015 is about 45833.9286446187. The cubic root of 2100749015 is about 1280.7313965730.

The spelling of 2100749015 in words is "two billion, one hundred million, seven hundred forty-nine thousand, fifteen".