5366678809 has 2 divisors, whose sum is σ = 5366678810. Its totient is φ = 5366678808.

The previous prime is 5366678783. The next prime is 5366678819. The reversal of 5366678809 is 9088766635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5343610000 + 23068809 = 73100^2 + 4803^2 .

It is a cyclic number.

It is not a de Polignac number, because 5366678809 - 2⁵ = 5366678777 is a prime.

It is a super-3 number, since 3×5366678809³ (a number of 30 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (5366678819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2683339404 + 2683339405.

It is an arithmetic number, because the mean of its divisors is an integer number (2683339405).

Almost surely, 2^5366678809 is an apocalyptic number.

It is an amenable number.

5366678809 is a deficient number, since it is larger than the sum of its proper divisors (1).

5366678809 is an equidigital number, since it uses as much as digits as its factorization.

5366678809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The square root of 5366678809 is about 73257.6194603674. The cubic root of 5366678809 is about 1750.7946115493.

The spelling of 5366678809 in words is "five billion, three hundred sixty-six million, six hundred seventy-eight thousand, eight hundred nine".