5423645867 has 2 divisors, whose sum is σ = 5423645868. Its totient is φ = 5423645866.

The previous prime is 5423645861. The next prime is 5423645869. The reversal of 5423645867 is 7685463245.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5423645867 - 2¹² = 5423641771 is a prime.

Together with 5423645869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5423645861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2711822933 + 2711822934.

It is an arithmetic number, because the mean of its divisors is an integer number (2711822934).

Almost surely, 2^5423645867 is an apocalyptic number.

5423645867 is a deficient number, since it is larger than the sum of its proper divisors (1).

5423645867 is an equidigital number, since it uses as much as digits as its factorization.

5423645867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4838400, while the sum is 50.

The square root of 5423645867 is about 73645.4062857963. The cubic root of 5423645867 is about 1756.9676895850.

The spelling of 5423645867 in words is "five billion, four hundred twenty-three million, six hundred forty-five thousand, eight hundred sixty-seven".