3949906484717 has 4 divisors (see below), whose sum is σ = 3950371133436. Its totient is φ = 3949441836000.

The previous prime is 3949906484707. The next prime is 3949906484737. The reversal of 3949906484717 is 7174846099493.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1258269219076 + 2691637265641 = 1121726^2 + 1640621^2 .

It is a cyclic number.

It is not a de Polignac number, because 3949906484717 - 2⁶ = 3949906484653 is a prime.

It is a super-2 number, since 2×3949906484717² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949906484707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232311608 + ... + 232328609.

It is an arithmetic number, because the mean of its divisors is an integer number (987592783359).

Almost surely, 2^{3949906484717} is an apocalyptic number.

It is an amenable number.

3949906484717 is a deficient number, since it is larger than the sum of its proper divisors (464648719).

3949906484717 is an equidigital number, since it uses as much as digits as its factorization.

3949906484717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464648718.

The product of its (nonzero) digits is 329204736, while the sum is 71.

The spelling of 3949906484717 in words is "three trillion, nine hundred forty-nine billion, nine hundred six million, four hundred eighty-four thousand, seven hundred seventeen".