381799369667 has 4 divisors (see below), whose sum is σ = 404258156136. Its totient is φ = 359340583200.

The previous prime is 381799369657. The next prime is 381799369741. The reversal of 381799369667 is 766963997183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766963997183 = 118913 ⋅6449791.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381799369667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 381799369594 and 381799369603.

It is not an unprimeable number, because it can be changed into a prime (381799369657) 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, 11229393209 + ... + 11229393242.

It is an arithmetic number, because the mean of its divisors is an integer number (101064539034).

Almost surely, 2^381799369667 is an apocalyptic number.

381799369667 is a deficient number, since it is larger than the sum of its proper divisors (22458786469).

381799369667 is a wasteful number, since it uses less digits than its factorization.

381799369667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22458786468.

The product of its digits is 555532992, while the sum is 74.

The spelling of 381799369667 in words is "three hundred eighty-one billion, seven hundred ninety-nine million, three hundred sixty-nine thousand, six hundred sixty-seven".