5204891247 has 8 divisors (see below), whose sum is σ = 7109119920. Its totient is φ = 3385295040.

The previous prime is 5204891231. The next prime is 5204891273. The reversal of 5204891247 is 7421984025.

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

It is not a de Polignac number, because 5204891247 - 2⁴ = 5204891231 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 5204891199 and 5204891208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5204891287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21157972 + ... + 21158217.

It is an arithmetic number, because the mean of its divisors is an integer number (888639990).

Almost surely, 2^5204891247 is an apocalyptic number.

5204891247 is a deficient number, since it is larger than the sum of its proper divisors (1904228673).

5204891247 is a wasteful number, since it uses less digits than its factorization.

5204891247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42316233.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 5204891247 is about 72144.9322336642. The cubic root of 5204891247 is about 1733.0212442263.

The spelling of 5204891247 in words is "five billion, two hundred four million, eight hundred ninety-one thousand, two hundred forty-seven".