5206949985 has 8 divisors (see below), whose sum is σ = 8331120000. Its totient is φ = 2777039984.

The previous prime is 5206949953. The next prime is 5206950011. The reversal of 5206949985 is 5899496025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5206949985 - 2⁵ = 5206949953 is a prime.

It is a super-2 number, since 2×5206949985² = 54224656292583000450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173564985 + ... + 173565014.

It is an arithmetic number, because the mean of its divisors is an integer number (1041390000).

Almost surely, 2^5206949985 is an apocalyptic number.

It is an amenable number.

5206949985 is a deficient number, since it is larger than the sum of its proper divisors (3124170015).

5206949985 is a wasteful number, since it uses less digits than its factorization.

5206949985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347130007.

The product of its (nonzero) digits is 6998400, while the sum is 57.

The square root of 5206949985 is about 72159.1988938347. The cubic root of 5206949985 is about 1733.2497066615.

The spelling of 5206949985 in words is "five billion, two hundred six million, nine hundred forty-nine thousand, nine hundred eighty-five".