3909947713 has 8 divisors (see below), whose sum is σ = 4476128832. Its totient is φ = 3345670896.

The previous prime is 3909947687. The next prime is 3909947753. The reversal of 3909947713 is 3177499093.

It is a happy number.

3909947713 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3909947713 - 2¹⁷ = 3909816641 is a prime.

It is a super-2 number, since 2×3909947713² = 30575382236787860738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3909947753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471670 + ... + 479887.

It is an arithmetic number, because the mean of its divisors is an integer number (559516104).

Almost surely, 2^3909947713 is an apocalyptic number.

It is an amenable number.

3909947713 is a deficient number, since it is larger than the sum of its proper divisors (566181119).

3909947713 is an equidigital number, since it uses as much as digits as its factorization.

3909947713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952151.

The product of its (nonzero) digits is 1285956, while the sum is 52.

The square root of 3909947713 is about 62529.5747066938. The cubic root of 3909947713 is about 1575.3980971345.

The spelling of 3909947713 in words is "three billion, nine hundred nine million, nine hundred forty-seven thousand, seven hundred thirteen".