4221363526879 has 2 divisors, whose sum is σ = 4221363526880. Its totient is φ = 4221363526878.

The previous prime is 4221363526871. The next prime is 4221363526931. The reversal of 4221363526879 is 9786253631224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4221363526879 - 2³ = 4221363526871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4221363526871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110681763439 + 2110681763440.

It is an arithmetic number, because the mean of its divisors is an integer number (2110681763440).

Almost surely, 2^{4221363526879} is an apocalyptic number.

4221363526879 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221363526879 is an equidigital number, since it uses as much as digits as its factorization.

4221363526879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26127360, while the sum is 58.

The spelling of 4221363526879 in words is "four trillion, two hundred twenty-one billion, three hundred sixty-three million, five hundred twenty-six thousand, eight hundred seventy-nine".