4959509549 has 4 divisors (see below), whose sum is σ = 5119493760. Its totient is φ = 4799525340.

The previous prime is 4959509543. The next prime is 4959509567. The reversal of 4959509549 is 9459059594.

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 a de Polignac number, because none of the positive numbers 2^k-4959509549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4959509543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79992059 + ... + 79992120.

It is an arithmetic number, because the mean of its divisors is an integer number (1279873440).

Almost surely, 2^4959509549 is an apocalyptic number.

It is an amenable number.

4959509549 is a deficient number, since it is larger than the sum of its proper divisors (159984211).

4959509549 is a wasteful number, since it uses less digits than its factorization.

4959509549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159984210.

The product of its (nonzero) digits is 13122000, while the sum is 59.

The square root of 4959509549 is about 70423.7853924368. The cubic root of 4959509549 is about 1705.3475839838.

The spelling of 4959509549 in words is "four billion, nine hundred fifty-nine million, five hundred nine thousand, five hundred forty-nine".