5436442217 has 2 divisors, whose sum is σ = 5436442218. Its totient is φ = 5436442216.

The previous prime is 5436442199. The next prime is 5436442303. The reversal of 5436442217 is 7122446345.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5173061776 + 263380441 = 71924^2 + 16229^2 .

It is a cyclic number.

It is not a de Polignac number, because 5436442217 - 2¹⁴ = 5436425833 is a prime.

It is not a weakly prime, because it can be changed into another prime (5436442717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2718221108 + 2718221109.

It is an arithmetic number, because the mean of its divisors is an integer number (2718221109).

Almost surely, 2^5436442217 is an apocalyptic number.

It is an amenable number.

5436442217 is a deficient number, since it is larger than the sum of its proper divisors (1).

5436442217 is an equidigital number, since it uses as much as digits as its factorization.

5436442217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 38.

The square root of 5436442217 is about 73732.2332294364. The cubic root of 5436442217 is about 1758.3483792238.

The spelling of 5436442217 in words is "five billion, four hundred thirty-six million, four hundred forty-two thousand, two hundred seventeen".