4247749656 has 24 divisors (see below), whose sum is σ = 11504322180. Its totient is φ = 1415916528.

The previous prime is 4247749633. The next prime is 4247749661. The reversal of 4247749656 is 6569477424.

4247749656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29498190 + ... + 29498333.

Almost surely, 2^4247749656 is an apocalyptic number.

It is an amenable number.

4247749656 is an abundant number, since it is smaller than the sum of its proper divisors (7256572524).

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

4247749656 is a wasteful number, since it uses less digits than its factorization.

4247749656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58996535 (or 58996528 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The square root of 4247749656 is about 65174.7624161377. The cubic root of 4247749656 is about 1619.5199583616.

The spelling of 4247749656 in words is "four billion, two hundred forty-seven million, seven hundred forty-nine thousand, six hundred fifty-six".