1931919292 has 6 divisors (see below), whose sum is σ = 3380858768. Its totient is φ = 965959644.

The previous prime is 1931919251. The next prime is 1931919307. The reversal of 1931919292 is 2929191391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241489908 + ... + 241489915.

Almost surely, 2^1931919292 is an apocalyptic number.

It is an amenable number.

1931919292 is a deficient number, since it is larger than the sum of its proper divisors (1448939476).

1931919292 is a wasteful number, since it uses less digits than its factorization.

1931919292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482979827 (or 482979825 counting only the distinct ones).

The product of its digits is 78732, while the sum is 46.

The square root of 1931919292 is about 43953.6038567943. The cubic root of 1931919292 is about 1245.4596437263.

The spelling of 1931919292 in words is "one billion, nine hundred thirty-one million, nine hundred nineteen thousand, two hundred ninety-two".