8405329228231 has 4 divisors (see below), whose sum is σ = 9051893015032. Its totient is φ = 7758765441432.

The previous prime is 8405329228201. The next prime is 8405329228327. The reversal of 8405329228231 is 1328229235048.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8405329228231 - 2⁵ = 8405329228199 is a prime.

It is a super-2 number, since 2×8405329228231² (a number of 27 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 (8405329228201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323281893381 + ... + 323281893406.

It is an arithmetic number, because the mean of its divisors is an integer number (2262973253758).

Almost surely, 2^{8405329228231} is an apocalyptic number.

8405329228231 is a deficient number, since it is larger than the sum of its proper divisors (646563786801).

8405329228231 is a wasteful number, since it uses less digits than its factorization.

8405329228231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646563786800.

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 8405329228231 in words is "eight trillion, four hundred five billion, three hundred twenty-nine million, two hundred twenty-eight thousand, two hundred thirty-one".