421564056301 has 4 divisors (see below), whose sum is σ = 421754552892. Its totient is φ = 421373559712.

The previous prime is 421564056149. The next prime is 421564056311. The reversal of 421564056301 is 103650465124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 395264947401 + 26299108900 = 628701^2 + 162170^2 .

It is a cyclic number.

It is not a de Polignac number, because 421564056301 - 2²⁷ = 421429838573 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 (421564056311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95244976 + ... + 95249401.

It is an arithmetic number, because the mean of its divisors is an integer number (105438638223).

Almost surely, 2^421564056301 is an apocalyptic number.

It is an amenable number.

421564056301 is a deficient number, since it is larger than the sum of its proper divisors (190496591).

421564056301 is a wasteful number, since it uses less digits than its factorization.

421564056301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190496590.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 421564056301 in words is "four hundred twenty-one billion, five hundred sixty-four million, fifty-six thousand, three hundred one".