9945637468 has 24 divisors (see below), whose sum is σ = 18746645792. Its totient is φ = 4589573184.

The previous prime is 9945637453. The next prime is 9945637477. The reversal of 9945637468 is 8647365499.

It is a congruent number.

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, 465721 + ... + 486607.

Almost surely, 2^9945637468 is an apocalyptic number.

It is an amenable number.

9945637468 is a deficient number, since it is larger than the sum of its proper divisors (8801008324).

9945637468 is a wasteful number, since it uses less digits than its factorization.

9945637468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30061 (or 30059 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 61.

The square root of 9945637468 is about 99727.8169218599. The cubic root of 9945637468 is about 2150.5235766866.

The spelling of 9945637468 in words is "nine billion, nine hundred forty-five million, six hundred thirty-seven thousand, four hundred sixty-eight".