2100869675 has 6 divisors (see below), whose sum is σ = 2605078428. Its totient is φ = 1680695720.

The previous prime is 2100869651. The next prime is 2100869711. The reversal of 2100869675 is 5769680012.

It is not a de Polignac number, because 2100869675 - 2¹² = 2100865579 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42017369 + ... + 42017418.

It is an arithmetic number, because the mean of its divisors is an integer number (434179738).

Almost surely, 2^2100869675 is an apocalyptic number.

2100869675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2100869675 is a deficient number, since it is larger than the sum of its proper divisors (504208753).

2100869675 is an equidigital number, since it uses as much as digits as its factorization.

2100869675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84034797 (or 84034792 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 2100869675 is about 45835.2448995312. The cubic root of 2100869675 is about 1280.7559164134.

The spelling of 2100869675 in words is "two billion, one hundred million, eight hundred sixty-nine thousand, six hundred seventy-five".