421357686046 has 32 divisors (see below), whose sum is σ = 736086463200. Its totient is φ = 180259953280.

The previous prime is 421357686031. The next prime is 421357686067. The reversal of 421357686046 is 640686753124.

It is a super-2 number, since 2×421357686046² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421357685984 and 421357686002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4610221 + ... + 4700728.

It is an arithmetic number, because the mean of its divisors is an integer number (23002701975).

Almost surely, 2^421357686046 is an apocalyptic number.

421357686046 is a deficient number, since it is larger than the sum of its proper divisors (314728777154).

421357686046 is a wasteful number, since it uses less digits than its factorization.

421357686046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9311001 (or 9310979 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 421357686046 in words is "four hundred twenty-one billion, three hundred fifty-seven million, six hundred eighty-six thousand, forty-six".