4347247644 has 36 divisors (see below), whose sum is σ = 11395873944. Its totient is φ = 1449082224.

The previous prime is 4347247643. The next prime is 4347247649. The reversal of 4347247644 is 4467427434.

4347247644 is a `hidden beast` number, since 4 + 347 + 247 + 64 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 4347247644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4347247643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2235267 + ... + 2237210.

It is an arithmetic number, because the mean of its divisors is an integer number (316552054).

Almost surely, 2^4347247644 is an apocalyptic number.

It is an amenable number.

4347247644 is an abundant number, since it is smaller than the sum of its proper divisors (7048626300).

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

4347247644 is a wasteful number, since it uses less digits than its factorization.

4347247644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472496 (or 4472482 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 45.

The square root of 4347247644 is about 65933.6609327891. The cubic root of 4347247644 is about 1632.0675388356.

The spelling of 4347247644 in words is "four billion, three hundred forty-seven million, two hundred forty-seven thousand, six hundred forty-four".