427419473321 has 4 divisors (see below), whose sum is σ = 427472649600. Its totient is φ = 427366297044.

The previous prime is 427419473311. The next prime is 427419473401. The reversal of 427419473321 is 123374914724.

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 a de Polignac number, because none of the positive numbers 2^k-427419473321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427419473311) 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, 26576081 + ... + 26592158.

It is an arithmetic number, because the mean of its divisors is an integer number (106868162400).

Almost surely, 2^427419473321 is an apocalyptic number.

It is an amenable number.

427419473321 is a deficient number, since it is larger than the sum of its proper divisors (53176279).

427419473321 is an equidigital number, since it uses as much as digits as its factorization.

427419473321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53176278.

The product of its digits is 1016064, while the sum is 47.

The spelling of 427419473321 in words is "four hundred twenty-seven billion, four hundred nineteen million, four hundred seventy-three thousand, three hundred twenty-one".