421546568797 has 8 divisors (see below), whose sum is σ = 422780480000. Its totient is φ = 420314215104.

The previous prime is 421546568783. The next prime is 421546568827. The reversal of 421546568797 is 797865645124.

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 421546568797 - 2⁷ = 421546568669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421546568197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153829 + ... + 930997.

It is an arithmetic number, because the mean of its divisors is an integer number (52847560000).

Almost surely, 2^421546568797 is an apocalyptic number.

It is an amenable number.

421546568797 is a deficient number, since it is larger than the sum of its proper divisors (1233911203).

421546568797 is a wasteful number, since it uses less digits than its factorization.

421546568797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778755.

The product of its digits is 101606400, while the sum is 64.

The spelling of 421546568797 in words is "four hundred twenty-one billion, five hundred forty-six million, five hundred sixty-eight thousand, seven hundred ninety-seven".