2081951875 has 20 divisors (see below), whose sum is σ = 2626946608. Its totient is φ = 1649340000.

The previous prime is 2081951863. The next prime is 2081951887. The reversal of 2081951875 is 5781591802.

It is an interprime number because it is at equal distance from previous prime (2081951863) and next prime (2081951887).

It is not a de Polignac number, because 2081951875 - 2⁹ = 2081951363 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 48205 + ... + 80545.

Almost surely, 2^2081951875 is an apocalyptic number.

2081951875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2081951875 is a deficient number, since it is larger than the sum of its proper divisors (544994733).

2081951875 is an equidigital number, since it uses as much as digits as its factorization.

2081951875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32464 (or 32449 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 46.

The square root of 2081951875 is about 45628.4108314107. The cubic root of 2081951875 is about 1276.9000250216.

The spelling of 2081951875 in words is "two billion, eighty-one million, nine hundred fifty-one thousand, eight hundred seventy-five".