5221670669 has 2 divisors, whose sum is σ = 5221670670. Its totient is φ = 5221670668.

The previous prime is 5221670651. The next prime is 5221670737. The reversal of 5221670669 is 9660761225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3438297769 + 1783372900 = 58637^2 + 42230^2 .

It is a cyclic number.

It is not a de Polignac number, because 5221670669 - 2⁸ = 5221670413 is a prime.

It is a super-2 number, since 2×5221670669² = 54531689150989815122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5221370669) 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 as a sum of consecutive naturals, namely, 2610835334 + 2610835335.

It is an arithmetic number, because the mean of its divisors is an integer number (2610835335).

Almost surely, 2^5221670669 is an apocalyptic number.

It is an amenable number.

5221670669 is a deficient number, since it is larger than the sum of its proper divisors (1).

5221670669 is an equidigital number, since it uses as much as digits as its factorization.

5221670669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 5221670669 is about 72261.1283402079. The cubic root of 5221670669 is about 1734.8815394154.

The spelling of 5221670669 in words is "five billion, two hundred twenty-one million, six hundred seventy thousand, six hundred sixty-nine".