5286784621 has 4 divisors (see below), whose sum is σ = 5376391200. Its totient is φ = 5197178044.

The previous prime is 5286784619. The next prime is 5286784639. The reversal of 5286784621 is 1264876825.

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 5286784621 - 2¹ = 5286784619 is a prime.

It is a super-2 number, since 2×5286784621² = 55900183257684227282, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5286784681) 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, 44803201 + ... + 44803318.

It is an arithmetic number, because the mean of its divisors is an integer number (1344097800).

Almost surely, 2^5286784621 is an apocalyptic number.

It is an amenable number.

5286784621 is a deficient number, since it is larger than the sum of its proper divisors (89606579).

5286784621 is an equidigital number, since it uses as much as digits as its factorization.

5286784621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89606578.

The product of its digits is 1290240, while the sum is 49.

The square root of 5286784621 is about 72710.2786475200. The cubic root of 5286784621 is about 1742.0630636687.

The spelling of 5286784621 in words is "five billion, two hundred eighty-six million, seven hundred eighty-four thousand, six hundred twenty-one".