381425684761 has 8 divisors (see below), whose sum is σ = 416106180000. Its totient is φ = 346746095040.

The previous prime is 381425684687. The next prime is 381425684789. The reversal of 381425684761 is 167486524183.

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

It is a cyclic number.

It is not a de Polignac number, because 381425684761 - 2²¹ = 381423587609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381425684161) 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, 896590 + ... + 1251688.

It is an arithmetic number, because the mean of its divisors is an integer number (52013272500).

Almost surely, 2^381425684761 is an apocalyptic number.

It is an amenable number.

381425684761 is a deficient number, since it is larger than the sum of its proper divisors (34680495239).

381425684761 is a wasteful number, since it uses less digits than its factorization.

381425684761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452759.

The product of its digits is 7741440, while the sum is 55.

The spelling of 381425684761 in words is "three hundred eighty-one billion, four hundred twenty-five million, six hundred eighty-four thousand, seven hundred sixty-one".