65422219944979 has 2 divisors, whose sum is σ = 65422219944980. Its totient is φ = 65422219944978.

The previous prime is 65422219944919. The next prime is 65422219945037. The reversal of 65422219944979 is 97944991222456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65422219944979 - 2¹⁵ = 65422219912211 is a prime.

It is not a weakly prime, because it can be changed into another prime (65422219944919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32711109972489 + 32711109972490.

It is an arithmetic number, because the mean of its divisors is an integer number (32711109972490).

Almost surely, 2^{65422219944979} is an apocalyptic number.

65422219944979 is a deficient number, since it is larger than the sum of its proper divisors (1).

65422219944979 is an equidigital number, since it uses as much as digits as its factorization.

65422219944979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705438720, while the sum is 73.

The spelling of 65422219944979 in words is "sixty-five trillion, four hundred twenty-two billion, two hundred nineteen million, nine hundred forty-four thousand, nine hundred seventy-nine".