2149435000 has 40 divisors (see below), whose sum is σ = 5036137920. Its totient is φ = 859772000.

The previous prime is 2149434997. The next prime is 2149435049. The reversal of 2149435000 is 5349412.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 2149435000.

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 209944 + ... + 219943.

It is an arithmetic number, because the mean of its divisors is an integer number (125903448).

Almost surely, 2^2149435000 is an apocalyptic number.

2149435000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2149435000 is an abundant number, since it is smaller than the sum of its proper divisors (2886702920).

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

2149435000 is an equidigital number, since it uses as much as digits as its factorization.

2149435000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429913 (or 429894 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2149435000 is about 46361.9995254734. Note that the first 3 decimals coincide. The cubic root of 2149435000 is about 1290.5498127028.

The spelling of 2149435000 in words is "two billion, one hundred forty-nine million, four hundred thirty-five thousand".