3949746491707 has 24 divisors (see below), whose sum is σ = 4075128465408. Its totient is φ = 3827621236320.

The previous prime is 3949746491653. The next prime is 3949746491737. The reversal of 3949746491707 is 7071946479493.

It is not a de Polignac number, because 3949746491707 - 2²⁷ = 3949612273979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3949746491737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113327958 + ... + 113362804.

It is an arithmetic number, because the mean of its divisors is an integer number (169797019392).

Almost surely, 2^{3949746491707} is an apocalyptic number.

3949746491707 is a deficient number, since it is larger than the sum of its proper divisors (125381973701).

3949746491707 is an equidigital number, since it uses as much as digits as its factorization.

3949746491707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35419 (or 35358 counting only the distinct ones).

The product of its (nonzero) digits is 288054144, while the sum is 70.

The spelling of 3949746491707 in words is "three trillion, nine hundred forty-nine billion, seven hundred forty-six million, four hundred ninety-one thousand, seven hundred seven".