2147054775 has 12 divisors (see below), whose sum is σ = 3549797352. Its totient is φ = 1145095840.

The previous prime is 2147054773. The next prime is 2147054863. The reversal of 2147054775 is 5774507412.

It is not a de Polignac number, because 2147054775 - 2¹ = 2147054773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147054771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14313624 + ... + 14313773.

It is an arithmetic number, because the mean of its divisors is an integer number (295816446).

Almost surely, 2^2147054775 is an apocalyptic number.

2147054775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2147054775 is a deficient number, since it is larger than the sum of its proper divisors (1402742577).

2147054775 is a wasteful number, since it uses less digits than its factorization.

2147054775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28627410 (or 28627405 counting only the distinct ones).

The product of its (nonzero) digits is 274400, while the sum is 42.

The square root of 2147054775 is about 46336.3224155737. The cubic root of 2147054775 is about 1290.0732636715.

It can be divided in two parts, 21470 and 54775, that added together give a triangular number (76245 = T₃₉₀).

The spelling of 2147054775 in words is "two billion, one hundred forty-seven million, fifty-four thousand, seven hundred seventy-five".