4149357779 has 10 divisors (see below), whose sum is σ = 4840632180. Its totient is φ = 3556590324.

The previous prime is 4149357763. The next prime is 4149357847. The reversal of 4149357779 is 9777539414.

It is a happy number.

4149357779 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4149357779 - 2⁴ = 4149357763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4149357479) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 861689 + ... + 866490.

It is an arithmetic number, because the mean of its divisors is an integer number (484063218).

Almost surely, 2^4149357779 is an apocalyptic number.

4149357779 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4149357779 is a deficient number, since it is larger than the sum of its proper divisors (691274401).

4149357779 is an frugal number, since it uses more digits than its factorization.

4149357779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728207 (or 1728186 counting only the distinct ones).

The product of its digits is 6667920, while the sum is 56.

The square root of 4149357779 is about 64415.5088390987. The cubic root of 4149357779 is about 1606.9176754736.

The spelling of 4149357779 in words is "four billion, one hundred forty-nine million, three hundred fifty-seven thousand, seven hundred seventy-nine".