4917879409 has 4 divisors (see below), whose sum is σ = 4939544304. Its totient is φ = 4896214516.

The previous prime is 4917879367. The next prime is 4917879413. The reversal of 4917879409 is 9049787194.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4917879409 - 2¹⁷ = 4917748337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4917879419) 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 in 3 ways as a sum of consecutive naturals, for example, 10832107 + ... + 10832560.

It is an arithmetic number, because the mean of its divisors is an integer number (1234886076).

Almost surely, 2^4917879409 is an apocalyptic number.

It is an amenable number.

4917879409 is a deficient number, since it is larger than the sum of its proper divisors (21664895).

4917879409 is a wasteful number, since it uses less digits than its factorization.

4917879409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21664894.

The product of its (nonzero) digits is 4572288, while the sum is 58.

The square root of 4917879409 is about 70127.5937773427. The cubic root of 4917879409 is about 1700.5626060601.

The spelling of 4917879409 in words is "four billion, nine hundred seventeen million, eight hundred seventy-nine thousand, four hundred nine".