421227058345 has 8 divisors (see below), whose sum is σ = 505478601864. Its totient is φ = 336977558784.

The previous prime is 421227058337. The next prime is 421227058349. The reversal of 421227058345 is 543850722124.

It can be written as a sum of positive squares in 4 ways, for example, as 44855851264 + 376371207081 = 211792^2 + 613491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 421227058345 - 2³ = 421227058337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421227058349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13584 + ... + 917953.

It is an arithmetic number, because the mean of its divisors is an integer number (63184825233).

Almost surely, 2^421227058345 is an apocalyptic number.

It is an amenable number.

421227058345 is a deficient number, since it is larger than the sum of its proper divisors (84251543519).

421227058345 is an equidigital number, since it uses as much as digits as its factorization.

421227058345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021979.

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 421227058345 in words is "four hundred twenty-one billion, two hundred twenty-seven million, fifty-eight thousand, three hundred forty-five".