8465329874421 has 24 divisors (see below), whose sum is σ = 14582100324480. Its totient is φ = 4627012601376.

The previous prime is 8465329874413. The next prime is 8465329874431. The reversal of 8465329874421 is 1244789235648.

8465329874421 is a `hidden beast` number, since 8 + 4 + 6 + 53 + 2 + 98 + 74 + 421 = 666.

It is not a de Polignac number, because 8465329874421 - 2³ = 8465329874413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8465329874431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2921092366 + ... + 2921095263.

It is an arithmetic number, because the mean of its divisors is an integer number (607587513520).

Almost surely, 2^{8465329874421} is an apocalyptic number.

It is an amenable number.

8465329874421 is a deficient number, since it is larger than the sum of its proper divisors (6116770450059).

8465329874421 is a wasteful number, since it uses less digits than its factorization.

8465329874421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5842187665 (or 5842187662 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 63.

The spelling of 8465329874421 in words is "eight trillion, four hundred sixty-five billion, three hundred twenty-nine million, eight hundred seventy-four thousand, four hundred twenty-one".