816283506219 has 32 divisors (see below), whose sum is σ = 1185283584000. Its totient is φ = 497720853504.

The previous prime is 816283506211. The next prime is 816283506271. The reversal of 816283506219 is 912605382618.

It is not a de Polignac number, because 816283506219 - 2³ = 816283506211 is a prime.

It is a super-2 number, since 2×816283506219² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (816283506211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23734774 + ... + 23769140.

It is an arithmetic number, because the mean of its divisors is an integer number (37040112000).

Almost surely, 2^816283506219 is an apocalyptic number.

816283506219 is a deficient number, since it is larger than the sum of its proper divisors (369000077781).

816283506219 is a wasteful number, since it uses less digits than its factorization.

816283506219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48787.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 816283506219 in words is "eight hundred sixteen billion, two hundred eighty-three million, five hundred six thousand, two hundred nineteen".