3949449493 has 8 divisors (see below), whose sum is σ = 4356901440. Its totient is φ = 3550066080.

The previous prime is 3949449481. The next prime is 3949449521.

3949449493 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 3949449493 - 2⁵ = 3949449461 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 (3949449293) 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, 2016105 + ... + 2018062.

It is an arithmetic number, because the mean of its divisors is an integer number (544612680).

Almost surely, 2^3949449493 is an apocalyptic number.

It is an amenable number.

3949449493 is a deficient number, since it is larger than the sum of its proper divisors (407451947).

3949449493 is a wasteful number, since it uses less digits than its factorization.

3949449493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034267.

The product of its digits is 15116544, while the sum is 58.

The square root of 3949449493 is about 62844.6456987387. The cubic root of 3949449493 is about 1580.6856892689.

The spelling of 3949449493 in words is "three billion, nine hundred forty-nine million, four hundred forty-nine thousand, four hundred ninety-three".