7189446856 has 16 divisors (see below), whose sum is σ = 13540665600. Its totient is φ = 3578602704.

The previous prime is 7189446851. The next prime is 7189446857. The reversal of 7189446856 is 6586449817.

It is a self number, because there is not a number n which added to its sum of digits gives 7189446856.

It is not an unprimeable number, because it can be changed into a prime (7189446851) 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, 2013196 + ... + 2016763.

It is an arithmetic number, because the mean of its divisors is an integer number (846291600).

Almost surely, 2^7189446856 is an apocalyptic number.

It is an amenable number.

7189446856 is a deficient number, since it is larger than the sum of its proper divisors (6351218744).

7189446856 is a wasteful number, since it uses less digits than its factorization.

7189446856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030188 (or 4030184 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 58.

The square root of 7189446856 is about 84790.6059419320. The cubic root of 7189446856 is about 1930.0348867489.

The spelling of 7189446856 in words is "seven billion, one hundred eighty-nine million, four hundred forty-six thousand, eight hundred fifty-six".