421326506452101 has 16 divisors (see below), whose sum is σ = 586194045415296. Its totient is φ = 268671679442496.

The previous prime is 421326506452067. The next prime is 421326506452157. The reversal of 421326506452101 is 101254605623124.

It is not a de Polignac number, because 421326506452101 - 2¹⁵ = 421326506419333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421326506451101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71926011 + ... + 77562903.

It is an arithmetic number, because the mean of its divisors is an integer number (36637127838456).

Almost surely, 2^{421326506452101} is an apocalyptic number.

It is an amenable number.

421326506452101 is a deficient number, since it is larger than the sum of its proper divisors (164867538963195).

421326506452101 is a wasteful number, since it uses less digits than its factorization.

421326506452101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6720172.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 421326506452101 in words is "four hundred twenty-one trillion, three hundred twenty-six billion, five hundred six million, four hundred fifty-two thousand, one hundred one".