3949493293 has 8 divisors (see below), whose sum is σ = 3985315488. Its totient is φ = 3913820784.

The previous prime is 3949493189. The next prime is 3949493309. The reversal of 3949493293 is 3923949493.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3949493293 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 (3949493393) 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, 15930 + ... + 90292.

It is an arithmetic number, because the mean of its divisors is an integer number (498164436).

Almost surely, 2^3949493293 is an apocalyptic number.

It is an amenable number.

3949493293 is a deficient number, since it is larger than the sum of its proper divisors (35822195).

3949493293 is a wasteful number, since it uses less digits than its factorization.

3949493293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74843.

The product of its digits is 5668704, while the sum is 55.

The square root of 3949493293 is about 62844.9941761474. The cubic root of 3949493293 is about 1580.6915325962.

The spelling of 3949493293 in words is "three billion, nine hundred forty-nine million, four hundred ninety-three thousand, two hundred ninety-three".