381873146764 has 6 divisors (see below), whose sum is σ = 668278006844. Its totient is φ = 190936573380.

The previous prime is 381873146731. The next prime is 381873146773. The reversal of 381873146764 is 467641378183.

It is a junction number, because it is equal to n+sod(n) for n = 381873146699 and 381873146708.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47734143342 + ... + 47734143349.

Almost surely, 2^381873146764 is an apocalyptic number.

It is an amenable number.

381873146764 is a deficient number, since it is larger than the sum of its proper divisors (286404860080).

381873146764 is a wasteful number, since it uses less digits than its factorization.

381873146764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95468286695 (or 95468286693 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 58.

The spelling of 381873146764 in words is "three hundred eighty-one billion, eight hundred seventy-three million, one hundred forty-six thousand, seven hundred sixty-four".