2447849664 has 84 divisors (see below), whose sum is σ = 7556059056. Its totient is φ = 753182208.

The previous prime is 2447849653. The next prime is 2447849671. The reversal of 2447849664 is 4669487442.

2447849664 is a `hidden beast` number, since 24 + 4 + 78 + 496 + 64 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2447849664.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155964 + ... + 170939.

It is an arithmetic number, because the mean of its divisors is an integer number (89953084).

Almost surely, 2^2447849664 is an apocalyptic number.

2447849664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2447849664 is an abundant number, since it is smaller than the sum of its proper divisors (5108209392).

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

2447849664 is a wasteful number, since it uses less digits than its factorization.

2447849664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326934 (or 326921 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 54.

The square root of 2447849664 is about 49475.7482409311. The cubic root of 2447849664 is about 1347.7052307127.

The spelling of 2447849664 in words is "two billion, four hundred forty-seven million, eight hundred forty-nine thousand, six hundred sixty-four".