421846872683 has 4 divisors (see below), whose sum is σ = 428762395248. Its totient is φ = 414931350120.

The previous prime is 421846872637. The next prime is 421846872697. The reversal of 421846872683 is 386278648124.

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 421846872683 - 2⁶ = 421846872619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421846872613) 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, 3457761191 + ... + 3457761312.

It is an arithmetic number, because the mean of its divisors is an integer number (107190598812).

Almost surely, 2^421846872683 is an apocalyptic number.

421846872683 is a deficient number, since it is larger than the sum of its proper divisors (6915522565).

421846872683 is an equidigital number, since it uses as much as digits as its factorization.

421846872683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6915522564.

The product of its digits is 24772608, while the sum is 59.

The spelling of 421846872683 in words is "four hundred twenty-one billion, eight hundred forty-six million, eight hundred seventy-two thousand, six hundred eighty-three".