381807467745 has 64 divisors (see below), whose sum is σ = 673369804800. Its totient is φ = 183194576640.

The previous prime is 381807467731. The next prime is 381807467749. The reversal of 381807467745 is 547764708183.

It is not a de Polignac number, because 381807467745 - 2⁴ = 381807467729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381807467749) 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 63 ways as a sum of consecutive naturals, for example, 15076764 + ... + 15102066.

It is an arithmetic number, because the mean of its divisors is an integer number (10521403200).

Almost surely, 2^381807467745 is an apocalyptic number.

It is an amenable number.

381807467745 is a deficient number, since it is larger than the sum of its proper divisors (291562337055).

381807467745 is a wasteful number, since it uses less digits than its factorization.

381807467745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26270.

The product of its (nonzero) digits is 31610880, while the sum is 60.

The spelling of 381807467745 in words is "three hundred eighty-one billion, eight hundred seven million, four hundred sixty-seven thousand, seven hundred forty-five".