421210886399 has 6 divisors (see below), whose sum is σ = 444546669960. Its totient is φ = 399041892036.

The previous prime is 421210886363. The next prime is 421210886417. The reversal of 421210886399 is 993688012124.

It is not a de Polignac number, because 421210886399 - 2¹² = 421210882303 is a prime.

It is a super-2 number, since 2×421210886399² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421210886399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421210586399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 583394219 + ... + 583394940.

It is an arithmetic number, because the mean of its divisors is an integer number (74091111660).

Almost surely, 2^421210886399 is an apocalyptic number.

421210886399 is a deficient number, since it is larger than the sum of its proper divisors (23335783561).

421210886399 is a wasteful number, since it uses less digits than its factorization.

421210886399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166789197 (or 1166789178 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 53.

The spelling of 421210886399 in words is "four hundred twenty-one billion, two hundred ten million, eight hundred eighty-six thousand, three hundred ninety-nine".