3949339493 has 16 divisors (see below), whose sum is σ = 4375943232. Its totient is φ = 3534192000.

The previous prime is 3949339397. The next prime is 3949339529.

It is a happy number.

3949339493 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 3949339493 - 2¹⁰ = 3949338469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949359493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429878 + ... + 438968.

It is an arithmetic number, because the mean of its divisors is an integer number (273496452).

Almost surely, 2^3949339493 is an apocalyptic number.

It is an amenable number.

3949339493 is a deficient number, since it is larger than the sum of its proper divisors (426603739).

3949339493 is a wasteful number, since it uses less digits than its factorization.

3949339493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9716.

The product of its digits is 8503056, while the sum is 56.

The square root of 3949339493 is about 62843.7705186441. The cubic root of 3949339493 is about 1580.6710140557.

The spelling of 3949339493 in words is "three billion, nine hundred forty-nine million, three hundred thirty-nine thousand, four hundred ninety-three".