421332541127 has 4 divisors (see below), whose sum is σ = 431130972360. Its totient is φ = 411534109896.

The previous prime is 421332541117. The next prime is 421332541139. The reversal of 421332541127 is 721145233124.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 421332541127 - 2¹⁶ = 421332475591 is a prime.

It is a super-2 number, since 2×421332541127² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421332541117) 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, 4899215552 + ... + 4899215637.

It is an arithmetic number, because the mean of its divisors is an integer number (107782743090).

Almost surely, 2^421332541127 is an apocalyptic number.

421332541127 is a deficient number, since it is larger than the sum of its proper divisors (9798431233).

421332541127 is an equidigital number, since it uses as much as digits as its factorization.

421332541127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9798431232.

The product of its digits is 40320, while the sum is 35.

The spelling of 421332541127 in words is "four hundred twenty-one billion, three hundred thirty-two million, five hundred forty-one thousand, one hundred twenty-seven".