819470231316 has 240 divisors, whose sum is σ = 2453617571328. Its totient is φ = 236066529600.

The previous prime is 819470231309. The next prime is 819470231323. The reversal of 819470231316 is 613132074918.

It is an interprime number because it is at equal distance from previous prime (819470231309) and next prime (819470231323).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 13330771 + ... + 13392101.

Almost surely, 2^819470231316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 819470231316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1226808785664).

819470231316 is an abundant number, since it is smaller than the sum of its proper divisors (1634147340012).

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

819470231316 is a wasteful number, since it uses less digits than its factorization.

819470231316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61544 (or 61533 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 819470231316 in words is "eight hundred nineteen billion, four hundred seventy million, two hundred thirty-one thousand, three hundred sixteen".