913430420221 has 8 divisors (see below), whose sum is σ = 1006144012224. Its totient is φ = 822329238720.

The previous prime is 913430420207. The next prime is 913430420233. The reversal of 913430420221 is 122024034319.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 913430420221 - 2²¹ = 913428323069 is a prime.

It is a super-2 number, since 2×913430420221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913430426221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403101436 + ... + 403103701.

It is an arithmetic number, because the mean of its divisors is an integer number (125768001528).

Almost surely, 2^913430420221 is an apocalyptic number.

It is an amenable number.

913430420221 is a deficient number, since it is larger than the sum of its proper divisors (92713592003).

913430420221 is a wasteful number, since it uses less digits than its factorization.

913430420221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806205251.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 913430420221 in words is "nine hundred thirteen billion, four hundred thirty million, four hundred twenty thousand, two hundred twenty-one".