4517428949 has 4 divisors (see below), whose sum is σ = 4928104320. Its totient is φ = 4106753580.

The previous prime is 4517428943. The next prime is 4517428963. The reversal of 4517428949 is 9498247154.

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 4517428949 - 2⁴ = 4517428933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4517428949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4517428943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205337669 + ... + 205337690.

It is an arithmetic number, because the mean of its divisors is an integer number (1232026080).

Almost surely, 2^4517428949 is an apocalyptic number.

It is an amenable number.

4517428949 is a deficient number, since it is larger than the sum of its proper divisors (410675371).

4517428949 is a wasteful number, since it uses less digits than its factorization.

4517428949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410675370.

The product of its digits is 2903040, while the sum is 53.

The square root of 4517428949 is about 67211.8214974122. The cubic root of 4517428949 is about 1653.0923275306.

The spelling of 4517428949 in words is "four billion, five hundred seventeen million, four hundred twenty-eight thousand, nine hundred forty-nine".