3949412416 has 14 divisors (see below), whose sum is σ = 7837115390. Its totient is φ = 1974706176.

The previous prime is 3949412381. The next prime is 3949412419. The reversal of 3949412416 is 6142149493.

It can be written as a sum of positive squares in only one way, i.e., 3443342400 + 506070016 = 58680^2 + 22496^2 .

It is not an unprimeable number, because it can be changed into a prime (3949412419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30854721 + ... + 30854848.

Almost surely, 2^3949412416 is an apocalyptic number.

It is an amenable number.

3949412416 is a deficient number, since it is larger than the sum of its proper divisors (3887702974).

3949412416 is an equidigital number, since it uses as much as digits as its factorization.

3949412416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61709581 (or 61709571 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 3949412416 is about 62844.3507087153. The cubic root of 3949412416 is about 1580.6807428186.

The spelling of 3949412416 in words is "three billion, nine hundred forty-nine million, four hundred twelve thousand, four hundred sixteen".