2119821696 has 48 divisors (see below), whose sum is σ = 6100011060. Its totient is φ = 706606848.

The previous prime is 2119821677. The next prime is 2119821709. The reversal of 2119821696 is 6961289112.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 918910 + ... + 921213.

Almost surely, 2^2119821696 is an apocalyptic number.

It is an amenable number.

2119821696 is an abundant number, since it is smaller than the sum of its proper divisors (3980189364).

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

2119821696 is a wasteful number, since it uses less digits than its factorization.

2119821696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840143 (or 1840128 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 2119821696 is about 46041.5214344617. The cubic root of 2119821696 is about 1284.5956417714.

The spelling of 2119821696 in words is "two billion, one hundred nineteen million, eight hundred twenty-one thousand, six hundred ninety-six".