2119684378 has 16 divisors (see below), whose sum is σ = 3677526720. Its totient is φ = 897490656.

The previous prime is 2119684337. The next prime is 2119684381. The reversal of 2119684378 is 8734869112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910923 + ... + 913246.

It is an arithmetic number, because the mean of its divisors is an integer number (229845420).

Almost surely, 2^2119684378 is an apocalyptic number.

2119684378 is a deficient number, since it is larger than the sum of its proper divisors (1557842342).

2119684378 is a wasteful number, since it uses less digits than its factorization.

2119684378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824261.

The product of its digits is 580608, while the sum is 49.

The square root of 2119684378 is about 46040.0301694080. The cubic root of 2119684378 is about 1284.5679032886.

The spelling of 2119684378 in words is "two billion, one hundred nineteen million, six hundred eighty-four thousand, three hundred seventy-eight".