381791941470 has 24 divisors (see below), whose sum is σ = 992659048056. Its totient is φ = 101811184368.

The previous prime is 381791941457. The next prime is 381791941543. The reversal of 381791941470 is 74149197183.

It is a happy number.

381791941470 is a `hidden beast` number, since 3 + 81 + 7 + 9 + 1 + 94 + 1 + 470 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2121066252 + ... + 2121066431.

It is an arithmetic number, because the mean of its divisors is an integer number (41360793669).

Almost surely, 2^381791941470 is an apocalyptic number.

381791941470 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

381791941470 is an abundant number, since it is smaller than the sum of its proper divisors (610867106586).

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

381791941470 is a wasteful number, since it uses less digits than its factorization.

381791941470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4242132696 (or 4242132693 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

It can be divided in two parts, 38179 and 1941470, that added together give a square (1979649 = 1407²).

The spelling of 381791941470 in words is "three hundred eighty-one billion, seven hundred ninety-one million, nine hundred forty-one thousand, four hundred seventy".