2119390000 has 400 divisors, whose sum is σ = 6735693888. Its totient is φ = 626688000.

The previous prime is 2119389991. The next prime is 2119390003. The reversal of 2119390000 is 939112.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (2119390003) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15469932 + ... + 15470068.

Almost surely, 2^2119390000 is an apocalyptic number.

2119390000 is a gapful number since it is divisible by the number (20) 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 2119390000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3367846944).

2119390000 is an abundant number, since it is smaller than the sum of its proper divisors (4616303888).

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

2119390000 is a wasteful number, since it uses less digits than its factorization.

2119390000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 2119390000 is about 46036.8330796114. The cubic root of 2119390000 is about 1284.5084343662.

The spelling of 2119390000 in words is "two billion, one hundred nineteen million, three hundred ninety thousand".