2119349021 has 8 divisors (see below), whose sum is σ = 2139878400. Its totient is φ = 2098839600.

The previous prime is 2119349017. The next prime is 2119349027. The reversal of 2119349021 is 1209439112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2119349021 - 2² = 2119349017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119349027) 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, 292796 + ... + 299946.

It is an arithmetic number, because the mean of its divisors is an integer number (267484800).

Almost surely, 2^2119349021 is an apocalyptic number.

It is an amenable number.

2119349021 is a deficient number, since it is larger than the sum of its proper divisors (20529379).

2119349021 is a wasteful number, since it uses less digits than its factorization.

2119349021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9979.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 2119349021 is about 46036.3880099210. The cubic root of 2119349021 is about 1284.5001555359.

Subtracting from 2119349021 its reverse (1209439112), we obtain a palindrome (909909909).

The spelling of 2119349021 in words is "two billion, one hundred nineteen million, three hundred forty-nine thousand, twenty-one".