8460420621 has 8 divisors (see below), whose sum is σ = 11282631264. Its totient is φ = 5639245200.

The previous prime is 8460420611. The next prime is 8460420677. The reversal of 8460420621 is 1260240648.

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

It is not a de Polignac number, because 8460420621 - 2¹¹ = 8460418573 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8460420611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239530 + ... + 272571.

It is an arithmetic number, because the mean of its divisors is an integer number (1410328908).

Almost surely, 2^8460420621 is an apocalyptic number.

It is an amenable number.

8460420621 is a deficient number, since it is larger than the sum of its proper divisors (2822210643).

8460420621 is a wasteful number, since it uses less digits than its factorization.

8460420621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517611.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 8460420621 is about 91980.5447961687. The cubic root of 8460420621 is about 2037.6549868227.

The spelling of 8460420621 in words is "eight billion, four hundred sixty million, four hundred twenty thousand, six hundred twenty-one".