381948469266 has 96 divisors (see below), whose sum is σ = 995102115840. Its totient is φ = 95431856832.

The previous prime is 381948469261. The next prime is 381948469267. The reversal of 381948469266 is 662964849183.

It is a junction number, because it is equal to n+sod(n) for n = 381948469197 and 381948469206.

It is not an unprimeable number, because it can be changed into a prime (381948469261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1281210 + ... + 1550933.

It is an arithmetic number, because the mean of its divisors is an integer number (10365647040).

Almost surely, 2^381948469266 is an apocalyptic number.

381948469266 is an abundant number, since it is smaller than the sum of its proper divisors (613153646574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381948469266 is a wasteful number, since it uses less digits than its factorization.

381948469266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832200 (or 2832187 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 66.

The spelling of 381948469266 in words is "three hundred eighty-one billion, nine hundred forty-eight million, four hundred sixty-nine thousand, two hundred sixty-six".