420546127427 has 4 divisors (see below), whose sum is σ = 420619693776. Its totient is φ = 420472561080.

The previous prime is 420546127409. The next prime is 420546127481. The reversal of 420546127427 is 724721645024.

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 420546127427 - 2¹⁶ = 420546061891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420545127427) 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, 36774599 + ... + 36786032.

It is an arithmetic number, because the mean of its divisors is an integer number (105154923444).

Almost surely, 2^420546127427 is an apocalyptic number.

420546127427 is a deficient number, since it is larger than the sum of its proper divisors (73566349).

420546127427 is an equidigital number, since it uses as much as digits as its factorization.

420546127427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73566348.

The product of its (nonzero) digits is 752640, while the sum is 44.

The spelling of 420546127427 in words is "four hundred twenty billion, five hundred forty-six million, one hundred twenty-seven thousand, four hundred twenty-seven".