8501646964 has 24 divisors (see below), whose sum is σ = 14975962848. Its totient is φ = 4222840800.

The previous prime is 8501646953. The next prime is 8501646971. The reversal of 8501646964 is 4696461058.

It is a super-2 number, since 2×8501646964² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 999859 + ... + 1008325.

It is an arithmetic number, because the mean of its divisors is an integer number (623998452).

Almost surely, 2^8501646964 is an apocalyptic number.

It is an amenable number.

8501646964 is a deficient number, since it is larger than the sum of its proper divisors (6474315884).

8501646964 is a wasteful number, since it uses less digits than its factorization.

8501646964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10095 (or 10093 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 8501646964 is about 92204.3760566710. The cubic root of 8501646964 is about 2040.9593530153.

The spelling of 8501646964 in words is "eight billion, five hundred one million, six hundred forty-six thousand, nine hundred sixty-four".