1321324134419 has 2 divisors, whose sum is σ = 1321324134420. Its totient is φ = 1321324134418.

The previous prime is 1321324134401. The next prime is 1321324134451. The reversal of 1321324134419 is 9144314231231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1321324134419 - 2¹² = 1321324130323 is a prime.

It is a super-2 number, since 2×1321324134419² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1321324134619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660662067209 + 660662067210.

It is an arithmetic number, because the mean of its divisors is an integer number (660662067210).

Almost surely, 2^{1321324134419} is an apocalyptic number.

1321324134419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321324134419 is an equidigital number, since it uses as much as digits as its factorization.

1321324134419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The spelling of 1321324134419 in words is "one trillion, three hundred twenty-one billion, three hundred twenty-four million, one hundred thirty-four thousand, four hundred nineteen".