421427134337 has 4 divisors (see below), whose sum is σ = 459738692016. Its totient is φ = 383115576660.

The previous prime is 421427134267. The next prime is 421427134351. The reversal of 421427134337 is 733431724124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 421427134337 - 2⁸ = 421427134081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421427134294 and 421427134303.

It is not an unprimeable number, because it can be changed into a prime (421427134397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19155778823 + ... + 19155778844.

It is an arithmetic number, because the mean of its divisors is an integer number (114934673004).

Almost surely, 2^421427134337 is an apocalyptic number.

It is an amenable number.

421427134337 is a deficient number, since it is larger than the sum of its proper divisors (38311557679).

421427134337 is a wasteful number, since it uses less digits than its factorization.

421427134337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38311557678.

The product of its digits is 338688, while the sum is 41.

The spelling of 421427134337 in words is "four hundred twenty-one billion, four hundred twenty-seven million, one hundred thirty-four thousand, three hundred thirty-seven".