1931983468 has 24 divisors (see below), whose sum is σ = 3486722400. Its totient is φ = 936094080.

The previous prime is 1931983433. The next prime is 1931983483. The reversal of 1931983468 is 8643891391.

It is a happy number.

It is a super-3 number, since 3×1931983468³ (a number of 29 digits) contains 333 as substring.

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, 15096 + ... + 63967.

It is an arithmetic number, because the mean of its divisors is an integer number (145280100).

Almost surely, 2^1931983468 is an apocalyptic number.

It is an amenable number.

1931983468 is a deficient number, since it is larger than the sum of its proper divisors (1554738932).

1931983468 is a wasteful number, since it uses less digits than its factorization.

1931983468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79257 (or 79255 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 52.

The square root of 1931983468 is about 43954.3338932579. Note that the first 3 decimals coincide. The cubic root of 1931983468 is about 1245.4734344565.

The spelling of 1931983468 in words is "one billion, nine hundred thirty-one million, nine hundred eighty-three thousand, four hundred sixty-eight".