1931009968 has 10 divisors (see below), whose sum is σ = 3741331844. Its totient is φ = 965504976.

The previous prime is 1931009959. The next prime is 1931009999. The reversal of 1931009968 is 8699001391.

It is a super-3 number, since 3×1931009968³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60344046 + ... + 60344077.

Almost surely, 2^1931009968 is an apocalyptic number.

It is an amenable number.

1931009968 is a deficient number, since it is larger than the sum of its proper divisors (1810321876).

1931009968 is a wasteful number, since it uses less digits than its factorization.

1931009968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120688131 (or 120688125 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 1931009968 is about 43943.2585045761. The cubic root of 1931009968 is about 1245.2642069770.

The spelling of 1931009968 in words is "one billion, nine hundred thirty-one million, nine thousand, nine hundred sixty-eight".