1421422344269 has 2 divisors, whose sum is σ = 1421422344270. Its totient is φ = 1421422344268.

The previous prime is 1421422344211. The next prime is 1421422344271. The reversal of 1421422344269 is 9624432241241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 903187931044 + 518234413225 = 950362^2 + 719885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1421422344269 is a prime.

It is a super-2 number, since 2×1421422344269² (a number of 25 digits) contains 22 as substring.

Together with 1421422344271, 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 (1421422340269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710711172134 + 710711172135.

It is an arithmetic number, because the mean of its divisors is an integer number (710711172135).

Almost surely, 2^{1421422344269} is an apocalyptic number.

It is an amenable number.

1421422344269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421422344269 is an equidigital number, since it uses as much as digits as its factorization.

1421422344269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 663552, while the sum is 44.

The spelling of 1421422344269 in words is "one trillion, four hundred twenty-one billion, four hundred twenty-two million, three hundred forty-four thousand, two hundred sixty-nine".