2149373504 has 56 divisors (see below), whose sum is σ = 4384825368. Its totient is φ = 1044725760.

The previous prime is 2149373503. The next prime is 2149373543. The reversal of 2149373504 is 4053739412.

It can be written as a sum of positive squares in 4 ways, for example, as 11235904 + 2138137600 = 3352^2 + 46240^2 .

It is not an unprimeable number, because it can be changed into a prime (2149373503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820004 + ... + 822620.

It is an arithmetic number, because the mean of its divisors is an integer number (78300453).

Almost surely, 2^2149373504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2149373504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2192412684).

2149373504 is an abundant number, since it is smaller than the sum of its proper divisors (2235451864).

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

2149373504 is a wasteful number, since it uses less digits than its factorization.

2149373504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983 (or 2973 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 2149373504 is about 46361.3363051584. The cubic root of 2149373504 is about 1290.5375049090.

The spelling of 2149373504 in words is "two billion, one hundred forty-nine million, three hundred seventy-three thousand, five hundred four".