1899252096 has 128 divisors (see below), whose sum is σ = 5845171200. Its totient is φ = 535154688.

The previous prime is 1899252083. The next prime is 1899252097. The reversal of 1899252096 is 6902529981.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1899252097) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 191385 + ... + 201063.

It is an arithmetic number, because the mean of its divisors is an integer number (45665400).

Almost surely, 2^1899252096 is an apocalyptic number.

1899252096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1899252096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2922585600).

1899252096 is an abundant number, since it is smaller than the sum of its proper divisors (3945919104).

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

1899252096 is an equidigital number, since it uses as much as digits as its factorization.

1899252096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9776 (or 9764 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 51.

The square root of 1899252096 is about 43580.4095437388. The cubic root of 1899252096 is about 1238.3997950176.

The spelling of 1899252096 in words is "one billion, eight hundred ninety-nine million, two hundred fifty-two thousand, ninety-six".