2381786274816 has 528 divisors, whose sum is σ = 7781609908800. Its totient is φ = 696169267200.

The previous prime is 2381786274799. The next prime is 2381786274869. The reversal of 2381786274816 is 6184726871832.

It is a happy number.

2381786274816 is a `hidden beast` number, since 2 + 3 + 81 + 78 + 6 + 2 + 7 + 481 + 6 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 410579116 + ... + 410584916.

Almost surely, 2^{2381786274816} is an apocalyptic number.

2381786274816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2381786274816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3890804954400).

2381786274816 is an abundant number, since it is smaller than the sum of its proper divisors (5399823633984).

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

2381786274816 is a wasteful number, since it uses less digits than its factorization.

2381786274816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6012 (or 5991 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 63.

The spelling of 2381786274816 in words is "two trillion, three hundred eighty-one billion, seven hundred eighty-six million, two hundred seventy-four thousand, eight hundred sixteen".