8632181948 has 24 divisors (see below), whose sum is σ = 16429425600. Its totient is φ = 3944635200.

The previous prime is 8632181939. The next prime is 8632181959. The reversal of 8632181948 is 8491812368.

It is a junction number, because it is equal to n+sod(n) for n = 8632181896 and 8632181905.

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, 816548 + ... + 827051.

It is an arithmetic number, because the mean of its divisors is an integer number (684559400).

Almost surely, 2^8632181948 is an apocalyptic number.

It is an amenable number.

8632181948 is a deficient number, since it is larger than the sum of its proper divisors (7797243652).

8632181948 is a wasteful number, since it uses less digits than its factorization.

8632181948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643717 (or 1643715 counting only the distinct ones).

The product of its digits is 663552, while the sum is 50.

The square root of 8632181948 is about 92909.5363673719. The cubic root of 8632181948 is about 2051.3520288272.

The spelling of 8632181948 in words is "eight billion, six hundred thirty-two million, one hundred eighty-one thousand, nine hundred forty-eight".