421700169027 has 4 divisors (see below), whose sum is σ = 562266892040. Its totient is φ = 281133446016.

The previous prime is 421700168999. The next prime is 421700169043. The reversal of 421700169027 is 720961007124.

421700169027 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 421700169027 - 2¹⁰ = 421700168003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421700169067) 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, 70283361502 + ... + 70283361507.

It is an arithmetic number, because the mean of its divisors is an integer number (140566723010).

Almost surely, 2^421700169027 is an apocalyptic number.

421700169027 is a deficient number, since it is larger than the sum of its proper divisors (140566723013).

421700169027 is a wasteful number, since it uses less digits than its factorization.

421700169027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140566723012.

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 421700169027 in words is "four hundred twenty-one billion, seven hundred million, one hundred sixty-nine thousand, twenty-seven".