424311021287 has 2 divisors, whose sum is σ = 424311021288. Its totient is φ = 424311021286.

The previous prime is 424311021221. The next prime is 424311021289. The reversal of 424311021287 is 782120113424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424311021287 - 2²⁶ = 424243912423 is a prime.

Together with 424311021289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424311021289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212155510643 + 212155510644.

It is an arithmetic number, because the mean of its divisors is an integer number (212155510644).

Almost surely, 2^424311021287 is an apocalyptic number.

424311021287 is a deficient number, since it is larger than the sum of its proper divisors (1).

424311021287 is an equidigital number, since it uses as much as digits as its factorization.

424311021287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 424311021287 in words is "four hundred twenty-four billion, three hundred eleven million, twenty-one thousand, two hundred eighty-seven".