4917849049 has 4 divisors (see below), whose sum is σ = 4919981220. Its totient is φ = 4915716880.

The previous prime is 4917849047. The next prime is 4917849061. The reversal of 4917849049 is 9409487194.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9409487194 = 2 ⋅4704743597.

It can be written as a sum of positive squares in 2 ways, for example, as 2756250000 + 2161599049 = 52500^2 + 46493^2 .

It is a cyclic number.

It is not a de Polignac number, because 4917849049 - 2¹ = 4917849047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4917849047) 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, 1062622 + ... + 1067239.

It is an arithmetic number, because the mean of its divisors is an integer number (1229995305).

Almost surely, 2^4917849049 is an apocalyptic number.

It is an amenable number.

4917849049 is a deficient number, since it is larger than the sum of its proper divisors (2132171).

4917849049 is a wasteful number, since it uses less digits than its factorization.

4917849049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132170.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 4917849049 is about 70127.3773144269. The cubic root of 4917849049 is about 1700.5591066394.

The spelling of 4917849049 in words is "four billion, nine hundred seventeen million, eight hundred forty-nine thousand, forty-nine".