2100019392 has 112 divisors (see below), whose sum is σ = 6185021920. Its totient is φ = 698720256.

The previous prime is 2100019387. The next prime is 2100019429. The reversal of 2100019392 is 2939100012.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1618488 + ... + 1619784.

It is an arithmetic number, because the mean of its divisors is an integer number (55223410).

Almost surely, 2^2100019392 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 2100019392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3092510960).

2100019392 is an abundant number, since it is smaller than the sum of its proper divisors (4085002528).

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

2100019392 is a wasteful number, since it uses less digits than its factorization.

2100019392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255 (or 2239 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 2100019392 is about 45825.9685331363. The cubic root of 2100019392 is about 1280.5831067200.

The spelling of 2100019392 in words is "two billion, one hundred million, nineteen thousand, three hundred ninety-two".