381833324425 has 72 divisors (see below), whose sum is σ = 558065531520. Its totient is φ = 258378624000.

The previous prime is 381833324377. The next prime is 381833324471. The reversal of 381833324425 is 524423338183.

It is a happy number.

It is not a de Polignac number, because 381833324425 - 2⁹ = 381833323913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 42653700 + ... + 42662650.

It is an arithmetic number, because the mean of its divisors is an integer number (7750910160).

Almost surely, 2^381833324425 is an apocalyptic number.

381833324425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

381833324425 is a deficient number, since it is larger than the sum of its proper divisors (176232207095).

381833324425 is a wasteful number, since it uses less digits than its factorization.

381833324425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9431 (or 9419 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 46.

The spelling of 381833324425 in words is "three hundred eighty-one billion, eight hundred thirty-three million, three hundred twenty-four thousand, four hundred twenty-five".