2119939408 has 20 divisors (see below), whose sum is σ = 4147263328. Its totient is φ = 1049677920.

The previous prime is 2119939397. The next prime is 2119939441. The reversal of 2119939408 is 8049399112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641538 + ... + 644833.

Almost surely, 2^2119939408 is an apocalyptic number.

It is an amenable number.

2119939408 is a deficient number, since it is larger than the sum of its proper divisors (2027323920).

2119939408 is a wasteful number, since it uses less digits than its factorization.

2119939408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286482 (or 1286476 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 2119939408 is about 46042.7997411104. The cubic root of 2119939408 is about 1284.6194188535.

The spelling of 2119939408 in words is "two billion, one hundred nineteen million, nine hundred thirty-nine thousand, four hundred eight".