3949559493 has 16 divisors (see below), whose sum is σ = 6082744896. Its totient is φ = 2252867840.

The previous prime is 3949559491. The next prime is 3949559569.

3949559493 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 3949559493 - 2¹ = 3949559491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949559491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3519546 + ... + 3520667.

It is an arithmetic number, because the mean of its divisors is an integer number (380171556).

Almost surely, 2^3949559493 is an apocalyptic number.

3949559493 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3949559493 is a deficient number, since it is larger than the sum of its proper divisors (2133185403).

3949559493 is a wasteful number, since it uses less digits than its factorization.

3949559493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7040244.

The product of its digits is 23619600, while the sum is 60.

The square root of 3949559493 is about 62845.5208666457. The cubic root of 3949559493 is about 1580.7003642097.

The spelling of 3949559493 in words is "three billion, nine hundred forty-nine million, five hundred fifty-nine thousand, four hundred ninety-three".