4149791639 has 8 divisors (see below), whose sum is σ = 4743337248. Its totient is φ = 3556425600.

The previous prime is 4149791567. The next prime is 4149791641. The reversal of 4149791639 is 9361979414.

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

It is not a de Polignac number, because 4149791639 - 2⁸ = 4149791383 is a prime.

It is a super-2 number, since 2×4149791639² = 34441541294228612642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4149791339) 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, 8939 + ... + 91539.

It is an arithmetic number, because the mean of its divisors is an integer number (592917156).

Almost surely, 2^4149791639 is an apocalyptic number.

4149791639 is a deficient number, since it is larger than the sum of its proper divisors (593545609).

4149791639 is an equidigital number, since it uses as much as digits as its factorization.

4149791639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89785.

The product of its digits is 1469664, while the sum is 53.

The square root of 4149791639 is about 64418.8764183294. The cubic root of 4149791639 is about 1606.9736803657.

The spelling of 4149791639 in words is "four billion, one hundred forty-nine million, seven hundred ninety-one thousand, six hundred thirty-nine".