3949380271617 has 48 divisors (see below), whose sum is σ = 5945650454016. Its totient is φ = 2328424876800.

The previous prime is 3949380271609. The next prime is 3949380271663. The reversal of 3949380271617 is 7161720839493.

It is not a de Polignac number, because 3949380271617 - 2³ = 3949380271609 is a prime.

It is a super-3 number, since 3×3949380271617³ (a number of 39 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3949380279617) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77753533 + ... + 77804309.

It is an arithmetic number, because the mean of its divisors is an integer number (123867717792).

Almost surely, 2^{3949380271617} is an apocalyptic number.

3949380271617 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3949380271617 is a deficient number, since it is larger than the sum of its proper divisors (1996270182399).

3949380271617 is a wasteful number, since it uses less digits than its factorization.

3949380271617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56630 (or 56619 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 60.

The spelling of 3949380271617 in words is "three trillion, nine hundred forty-nine billion, three hundred eighty million, two hundred seventy-one thousand, six hundred seventeen".