381793830717 has 48 divisors (see below), whose sum is σ = 580574088000. Its totient is φ = 222456499200.

The previous prime is 381793830707. The next prime is 381793830721. The reversal of 381793830717 is 717038397183.

It is not a de Polignac number, because 381793830717 - 2³⁴ = 364613961533 is a prime.

It is a super-2 number, since 2×381793830717² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381793830707) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18301909 + ... + 18322757.

It is an arithmetic number, because the mean of its divisors is an integer number (12095293500).

Almost surely, 2^381793830717 is an apocalyptic number.

It is an amenable number.

381793830717 is a deficient number, since it is larger than the sum of its proper divisors (198780257283).

381793830717 is a wasteful number, since it uses less digits than its factorization.

381793830717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22798 (or 22785 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 57.

The spelling of 381793830717 in words is "three hundred eighty-one billion, seven hundred ninety-three million, eight hundred thirty thousand, seven hundred seventeen".