381989260799 has 8 divisors (see below), whose sum is σ = 391478624880. Its totient is φ = 372508113600.

The previous prime is 381989260787. The next prime is 381989260811. The reversal of 381989260799 is 997062989183.

It is an interprime number because it is at equal distance from previous prime (381989260787) and next prime (381989260811).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381989260799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381989260199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1960037 + ... + 2146094.

It is an arithmetic number, because the mean of its divisors is an integer number (48934828110).

Almost surely, 2^381989260799 is an apocalyptic number.

381989260799 is a deficient number, since it is larger than the sum of its proper divisors (9489364081).

381989260799 is a wasteful number, since it uses less digits than its factorization.

381989260799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108441.

The product of its (nonzero) digits is 105815808, while the sum is 71.

The spelling of 381989260799 in words is "three hundred eighty-one billion, nine hundred eighty-nine million, two hundred sixty thousand, seven hundred ninety-nine".