421695060739456 has 96 divisors (see below), whose sum is σ = 1028688525372600. Its totient is φ = 171214535890944.

The previous prime is 421695060739439. The next prime is 421695060739471. The reversal of 421695060739456 is 654937060596124.

It is a junction number, because it is equal to n+sod(n) for n = 421695060739391 and 421695060739400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1769210941 + ... + 1769449276.

Almost surely, 2^{421695060739456} is an apocalyptic number.

It is an amenable number.

421695060739456 is an abundant number, since it is smaller than the sum of its proper divisors (606993464633144).

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

421695060739456 is a wasteful number, since it uses less digits than its factorization.

421695060739456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3538660264 (or 3538660245 counting only the distinct ones).

The product of its (nonzero) digits is 293932800, while the sum is 67.

The spelling of 421695060739456 in words is "four hundred twenty-one trillion, six hundred ninety-five billion, sixty million, seven hundred thirty-nine thousand, four hundred fifty-six".