8649471790 has 8 divisors (see below), whose sum is σ = 15569049240. Its totient is φ = 3459788712.

The previous prime is 8649471773. The next prime is 8649471799. The reversal of 8649471790 is 971749468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8649471799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432473580 + ... + 432473599.

It is an arithmetic number, because the mean of its divisors is an integer number (1946131155).

Almost surely, 2^8649471790 is an apocalyptic number.

8649471790 is a deficient number, since it is larger than the sum of its proper divisors (6919577450).

8649471790 is a wasteful number, since it uses less digits than its factorization.

8649471790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864947186.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 8649471790 is about 93002.5364707866. The cubic root of 8649471790 is about 2052.7207016635.

The spelling of 8649471790 in words is "eight billion, six hundred forty-nine million, four hundred seventy-one thousand, seven hundred ninety".