381774147492 has 48 divisors (see below), whose sum is σ = 907070250240. Its totient is φ = 124953448608.

The previous prime is 381774147479. The next prime is 381774147577. The reversal of 381774147492 is 294741477183.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1013442 + ... + 1338137.

It is an arithmetic number, because the mean of its divisors is an integer number (18897296880).

Almost surely, 2^381774147492 is an apocalyptic number.

It is an amenable number.

381774147492 is an abundant number, since it is smaller than the sum of its proper divisors (525296102748).

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

381774147492 is a wasteful number, since it uses less digits than its factorization.

381774147492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351832 (or 2351830 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 57.

The spelling of 381774147492 in words is "three hundred eighty-one billion, seven hundred seventy-four million, one hundred forty-seven thousand, four hundred ninety-two".