1930219874 has 16 divisors (see below), whose sum is σ = 3267457920. Its totient is φ = 847118160.

The previous prime is 1930219847. The next prime is 1930219883. The reversal of 1930219874 is 4789120391.

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, 1512074 + ... + 1513349.

It is an arithmetic number, because the mean of its divisors is an integer number (204216120).

Almost surely, 2^1930219874 is an apocalyptic number.

1930219874 is a deficient number, since it is larger than the sum of its proper divisors (1337238046).

1930219874 is a wasteful number, since it uses less digits than its factorization.

1930219874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025465.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 1930219874 is about 43934.2676506619. The cubic root of 1930219874 is about 1245.0943459521.

The spelling of 1930219874 in words is "one billion, nine hundred thirty million, two hundred nineteen thousand, eight hundred seventy-four".