2149575700 has 36 divisors (see below), whose sum is σ = 4825433340. Its totient is φ = 830179840.

The previous prime is 2149575679. The next prime is 2149575707. The reversal of 2149575700 is 75759412.

It can be written as a sum of positive squares in 6 ways, for example, as 419348484 + 1730227216 = 20478^2 + 41596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149575707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 367717 + ... + 373516.

It is an arithmetic number, because the mean of its divisors is an integer number (134039815).

Almost surely, 2^2149575700 is an apocalyptic number.

2149575700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2149575700 is an abundant number, since it is smaller than the sum of its proper divisors (2675857640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2149575700 is a wasteful number, since it uses less digits than its factorization.

2149575700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741276 (or 741269 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 2149575700 is about 46363.5169071545. The cubic root of 2149575700 is about 1290.5779714820.

The spelling of 2149575700 in words is "two billion, one hundred forty-nine million, five hundred seventy-five thousand, seven hundred".