8213281804392 has 48 divisors (see below), whose sum is σ = 23885564434560. Its totient is φ = 2346651943776.

The previous prime is 8213281804369. The next prime is 8213281804423. The reversal of 8213281804392 is 2934081823128.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3492040408 + ... + 3492042759.

It is an arithmetic number, because the mean of its divisors is an integer number (497615925720).

Almost surely, 2^{8213281804392} is an apocalyptic number.

It is an amenable number.

8213281804392 is an abundant number, since it is smaller than the sum of its proper divisors (15672282630168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8213281804392 is a wasteful number, since it uses less digits than its factorization.

8213281804392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6984083190 (or 6984083179 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 8213281804392 in words is "eight trillion, two hundred thirteen billion, two hundred eighty-one million, eight hundred four thousand, three hundred ninety-two".