8621919448 has 16 divisors (see below), whose sum is σ = 16237318680. Its totient is φ = 4291967808.

The previous prime is 8621919433. The next prime is 8621919473. The reversal of 8621919448 is 8449191268.

It is a junction number, because it is equal to n+sod(n) for n = 8621919395 and 8621919404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2372061 + ... + 2375692.

Almost surely, 2^8621919448 is an apocalyptic number.

It is an amenable number.

8621919448 is a deficient number, since it is larger than the sum of its proper divisors (7615399232).

8621919448 is a wasteful number, since it uses less digits than its factorization.

8621919448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4747986 (or 4747982 counting only the distinct ones).

The product of its digits is 995328, while the sum is 52.

The square root of 8621919448 is about 92854.2914894083. The cubic root of 8621919448 is about 2050.5387795043.

The spelling of 8621919448 in words is "eight billion, six hundred twenty-one million, nine hundred nineteen thousand, four hundred forty-eight".