421550055107 has 2 divisors, whose sum is σ = 421550055108. Its totient is φ = 421550055106.

The previous prime is 421550055067. The next prime is 421550055181. The reversal of 421550055107 is 701550055124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421550055107 - 2²² = 421545860803 is a prime.

It is not a weakly prime, because it can be changed into another prime (421550055007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210775027553 + 210775027554.

It is an arithmetic number, because the mean of its divisors is an integer number (210775027554).

Almost surely, 2^421550055107 is an apocalyptic number.

421550055107 is a deficient number, since it is larger than the sum of its proper divisors (1).

421550055107 is an equidigital number, since it uses as much as digits as its factorization.

421550055107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35000, while the sum is 35.

The spelling of 421550055107 in words is "four hundred twenty-one billion, five hundred fifty million, fifty-five thousand, one hundred seven".