421211424112079 has 2 divisors, whose sum is σ = 421211424112080. Its totient is φ = 421211424112078.

The previous prime is 421211424112051. The next prime is 421211424112151. The reversal of 421211424112079 is 970211424112124.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421211424112079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421211424112049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210605712056039 + 210605712056040.

It is an arithmetic number, because the mean of its divisors is an integer number (210605712056040).

Almost surely, 2^{421211424112079} is an apocalyptic number.

421211424112079 is a deficient number, since it is larger than the sum of its proper divisors (1).

421211424112079 is an equidigital number, since it uses as much as digits as its factorization.

421211424112079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 421211424112079 in words is "four hundred twenty-one trillion, two hundred eleven billion, four hundred twenty-four million, one hundred twelve thousand, seventy-nine".