4149172747 has 4 divisors (see below), whose sum is σ = 4367550280. Its totient is φ = 3930795216.

The previous prime is 4149172723. The next prime is 4149172757. The reversal of 4149172747 is 7472719414.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7472719414 = 2 ⋅3736359707.

It is a cyclic number.

It is not a de Polignac number, because 4149172747 - 2¹⁵ = 4149139979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4149172697 and 4149172706.

It is not an unprimeable number, because it can be changed into a prime (4149172757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109188738 + ... + 109188775.

It is an arithmetic number, because the mean of its divisors is an integer number (1091887570).

Almost surely, 2^4149172747 is an apocalyptic number.

4149172747 is a deficient number, since it is larger than the sum of its proper divisors (218377533).

4149172747 is a wasteful number, since it uses less digits than its factorization.

4149172747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218377532.

The product of its digits is 395136, while the sum is 46.

The square root of 4149172747 is about 64414.0725851114. The cubic root of 4149172747 is about 1606.8937893987.

The spelling of 4149172747 in words is "four billion, one hundred forty-nine million, one hundred seventy-two thousand, seven hundred forty-seven".