422548313987 has 2 divisors, whose sum is σ = 422548313988. Its totient is φ = 422548313986.

The previous prime is 422548313983. The next prime is 422548314007. The reversal of 422548313987 is 789313845224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422548313987 - 2² = 422548313983 is a prime.

It is not a weakly prime, because it can be changed into another prime (422548313983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211274156993 + 211274156994.

It is an arithmetic number, because the mean of its divisors is an integer number (211274156994).

Almost surely, 2^422548313987 is an apocalyptic number.

422548313987 is a deficient number, since it is larger than the sum of its proper divisors (1).

422548313987 is an equidigital number, since it uses as much as digits as its factorization.

422548313987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11612160, while the sum is 56.

The spelling of 422548313987 in words is "four hundred twenty-two billion, five hundred forty-eight million, three hundred thirteen thousand, nine hundred eighty-seven".