221412287419 has 2 divisors, whose sum is σ = 221412287420. Its totient is φ = 221412287418.

The previous prime is 221412287363. The next prime is 221412287429. The reversal of 221412287419 is 914782214122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221412287419 - 2²⁹ = 220875416507 is a prime.

It is a super-3 number, since 3×221412287419³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (221412287429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110706143709 + 110706143710.

It is an arithmetic number, because the mean of its divisors is an integer number (110706143710).

Almost surely, 2^221412287419 is an apocalyptic number.

221412287419 is a deficient number, since it is larger than the sum of its proper divisors (1).

221412287419 is an equidigital number, since it uses as much as digits as its factorization.

221412287419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 43.

The spelling of 221412287419 in words is "two hundred twenty-one billion, four hundred twelve million, two hundred eighty-seven thousand, four hundred nineteen".