5284213661 has 2 divisors, whose sum is σ = 5284213662. Its totient is φ = 5284213660.

The previous prime is 5284213651. The next prime is 5284213663. The reversal of 5284213661 is 1663124825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4045596025 + 1238617636 = 63605^2 + 35194^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5284213661 is a prime.

Together with 5284213663, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5284213663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2642106830 + 2642106831.

It is an arithmetic number, because the mean of its divisors is an integer number (2642106831).

Almost surely, 2^5284213661 is an apocalyptic number.

It is an amenable number.

5284213661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5284213661 is an equidigital number, since it uses as much as digits as its factorization.

5284213661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 38.

The square root of 5284213661 is about 72692.5970164775. The cubic root of 5284213661 is about 1741.7806298278.

The spelling of 5284213661 in words is "five billion, two hundred eighty-four million, two hundred thirteen thousand, six hundred sixty-one".