4917502985 has 4 divisors (see below), whose sum is σ = 5901003588. Its totient is φ = 3934002384.

The previous prime is 4917502973. The next prime is 4917502991. The reversal of 4917502985 is 5892057194.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 573506704 + 4343996281 = 23948^2 + 65909^2 .

It is a cyclic number.

It is not a de Polignac number, because 4917502985 - 2⁴ = 4917502969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491750294 + ... + 491750303.

It is an arithmetic number, because the mean of its divisors is an integer number (1475250897).

Almost surely, 2^4917502985 is an apocalyptic number.

It is an amenable number.

4917502985 is a deficient number, since it is larger than the sum of its proper divisors (983500603).

4917502985 is an equidigital number, since it uses as much as digits as its factorization.

4917502985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983500602.

The product of its (nonzero) digits is 907200, while the sum is 50.

The square root of 4917502985 is about 70124.9098751649. The cubic root of 4917502985 is about 1700.5192168363.

The spelling of 4917502985 in words is "four billion, nine hundred seventeen million, five hundred two thousand, nine hundred eighty-five".