5394226861 has 2 divisors, whose sum is σ = 5394226862. Its totient is φ = 5394226860.

The previous prime is 5394226853. The next prime is 5394226913. The reversal of 5394226861 is 1686224935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4459701961 + 934524900 = 66781^2 + 30570^2 .

It is a cyclic number.

It is not a de Polignac number, because 5394226861 - 2³ = 5394226853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5394226261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2697113430 + 2697113431.

It is an arithmetic number, because the mean of its divisors is an integer number (2697113431).

Almost surely, 2^5394226861 is an apocalyptic number.

It is an amenable number.

5394226861 is a deficient number, since it is larger than the sum of its proper divisors (1).

5394226861 is an equidigital number, since it uses as much as digits as its factorization.

5394226861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 46.

The square root of 5394226861 is about 73445.4005435330. The cubic root of 5394226861 is about 1753.7852066256.

The spelling of 5394226861 in words is "five billion, three hundred ninety-four million, two hundred twenty-six thousand, eight hundred sixty-one".