2178474312 has 32 divisors (see below), whose sum is σ = 6224212800. Its totient is φ = 622421184.

The previous prime is 2178474269. The next prime is 2178474323. The reversal of 2178474312 is 2134748712.

It is a nude number because it is divisible by every one of its digits.

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, 6483387 + ... + 6483722.

It is an arithmetic number, because the mean of its divisors is an integer number (194506650).

Almost surely, 2^2178474312 is an apocalyptic number.

It is an amenable number.

2178474312 is an abundant number, since it is smaller than the sum of its proper divisors (4045738488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2178474312 is a wasteful number, since it uses less digits than its factorization.

2178474312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12967125 (or 12967121 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 2178474312 is about 46674.1289367033. The cubic root of 2178474312 is about 1296.3356993122.

The spelling of 2178474312 in words is "two billion, one hundred seventy-eight million, four hundred seventy-four thousand, three hundred twelve".