421361673546 has 64 divisors (see below), whose sum is σ = 926296035840. Its totient is φ = 126720728640.

The previous prime is 421361673539. The next prime is 421361673569. The reversal of 421361673546 is 645376163124.

It is a junction number, because it is equal to n+sod(n) for n = 421361673495 and 421361673504.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7599801 + ... + 7655043.

It is an arithmetic number, because the mean of its divisors is an integer number (14473375560).

Almost surely, 2^421361673546 is an apocalyptic number.

421361673546 is an abundant number, since it is smaller than the sum of its proper divisors (504934362294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421361673546 is a wasteful number, since it uses less digits than its factorization.

421361673546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56131.

The product of its digits is 2177280, while the sum is 48.

The spelling of 421361673546 in words is "four hundred twenty-one billion, three hundred sixty-one million, six hundred seventy-three thousand, five hundred forty-six".