8451946924 has 24 divisors (see below), whose sum is σ = 14912881200. Its totient is φ = 4191210816.

The previous prime is 8451946907. The next prime is 8451946931. The reversal of 8451946924 is 4296491548.

It is a super-2 number, since 2×8451946924² (a number of 21 digits) contains 22 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, 393019 + ... + 413965.

It is an arithmetic number, because the mean of its divisors is an integer number (621370050).

Almost surely, 2^8451946924 is an apocalyptic number.

It is an amenable number.

8451946924 is a deficient number, since it is larger than the sum of its proper divisors (6460934276).

8451946924 is a wasteful number, since it uses less digits than its factorization.

8451946924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21777 (or 21775 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The square root of 8451946924 is about 91934.4708148146. The cubic root of 8451946924 is about 2036.9744753976.

The spelling of 8451946924 in words is "eight billion, four hundred fifty-one million, nine hundred forty-six thousand, nine hundred twenty-four".