421755324267 has 8 divisors (see below), whose sum is σ = 569115618624. Its totient is φ = 277782623048.

The previous prime is 421755324241. The next prime is 421755324343. The reversal of 421755324267 is 762423557124.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421755324267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421755324227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846897993 + ... + 846898490.

It is an arithmetic number, because the mean of its divisors is an integer number (71139452328).

Almost surely, 2^421755324267 is an apocalyptic number.

421755324267 is a deficient number, since it is larger than the sum of its proper divisors (147360294357).

421755324267 is a wasteful number, since it uses less digits than its factorization.

421755324267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693796569.

The product of its digits is 2822400, while the sum is 48.

The spelling of 421755324267 in words is "four hundred twenty-one billion, seven hundred fifty-five million, three hundred twenty-four thousand, two hundred sixty-seven".