381718081473 has 8 divisors (see below), whose sum is σ = 513898776768. Its totient is φ = 252008053584.

The previous prime is 381718081463. The next prime is 381718081499. The reversal of 381718081473 is 374180817183.

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

It is not a de Polignac number, because 381718081473 - 2¹⁴ = 381718065089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381718081463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617666490 + ... + 617667107.

It is an arithmetic number, because the mean of its divisors is an integer number (64237347096).

Almost surely, 2^381718081473 is an apocalyptic number.

It is an amenable number.

381718081473 is a deficient number, since it is larger than the sum of its proper divisors (132180695295).

381718081473 is a wasteful number, since it uses less digits than its factorization.

381718081473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235333703.

The product of its (nonzero) digits is 903168, while the sum is 51.

The spelling of 381718081473 in words is "three hundred eighty-one billion, seven hundred eighteen million, eighty-one thousand, four hundred seventy-three".