381923083316 has 12 divisors (see below), whose sum is σ = 668371180260. Its totient is φ = 190959888960.

The previous prime is 381923083313. The next prime is 381923083343. The reversal of 381923083316 is 613380329183.

It can be written as a sum of positive squares in 2 ways, for example, as 62223306916 + 319699776400 = 249446^2 + 565420^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381923083313) 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, 211826 + ... + 899286.

It is an arithmetic number, because the mean of its divisors is an integer number (55697598355).

Almost surely, 2^381923083316 is an apocalyptic number.

It is an amenable number.

381923083316 is a deficient number, since it is larger than the sum of its proper divisors (286448096944).

381923083316 is a wasteful number, since it uses less digits than its factorization.

381923083316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826354 (or 826352 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 381923083316 in words is "three hundred eighty-one billion, nine hundred twenty-three million, eighty-three thousand, three hundred sixteen".