381979184325 has 24 divisors (see below), whose sum is σ = 633818876448. Its totient is φ = 202986761280.

The previous prime is 381979184303. The next prime is 381979184369. The reversal of 381979184325 is 523481979183.

It is a happy number.

It is not a de Polignac number, because 381979184325 - 2¹³ = 381979176133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9172467 + ... + 9214016.

It is an arithmetic number, because the mean of its divisors is an integer number (26409119852).

Almost surely, 2^381979184325 is an apocalyptic number.

It is an amenable number.

381979184325 is a deficient number, since it is larger than the sum of its proper divisors (251839692123).

381979184325 is a wasteful number, since it uses less digits than its factorization.

381979184325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18386773 (or 18386768 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 60.

The spelling of 381979184325 in words is "three hundred eighty-one billion, nine hundred seventy-nine million, one hundred eighty-four thousand, three hundred twenty-five".