422148813487 has 2 divisors, whose sum is σ = 422148813488. Its totient is φ = 422148813486.

The previous prime is 422148813439. The next prime is 422148813511. The reversal of 422148813487 is 784318841224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422148813487 - 2²³ = 422140424879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422145813487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211074406743 + 211074406744.

It is an arithmetic number, because the mean of its divisors is an integer number (211074406744).

Almost surely, 2^422148813487 is an apocalyptic number.

422148813487 is a deficient number, since it is larger than the sum of its proper divisors (1).

422148813487 is an equidigital number, since it uses as much as digits as its factorization.

422148813487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2752512, while the sum is 52.

The spelling of 422148813487 in words is "four hundred twenty-two billion, one hundred forty-eight million, eight hundred thirteen thousand, four hundred eighty-seven".