5390243267 has 2 divisors, whose sum is σ = 5390243268. Its totient is φ = 5390243266.

The previous prime is 5390243239. The next prime is 5390243273. The reversal of 5390243267 is 7623420935.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5390243267 - 2²⁴ = 5373466051 is a prime.

It is not a weakly prime, because it can be changed into another prime (5390243297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2695121633 + 2695121634.

It is an arithmetic number, because the mean of its divisors is an integer number (2695121634).

Almost surely, 2^5390243267 is an apocalyptic number.

5390243267 is a deficient number, since it is larger than the sum of its proper divisors (1).

5390243267 is an equidigital number, since it uses as much as digits as its factorization.

5390243267 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 41.

The square root of 5390243267 is about 73418.2761102438. The cubic root of 5390243267 is about 1753.3533814599.

The spelling of 5390243267 in words is "five billion, three hundred ninety million, two hundred forty-three thousand, two hundred sixty-seven".