381255674836 has 96 divisors (see below), whose sum is σ = 715903598592. Its totient is φ = 177327688320.

The previous prime is 381255674819. The next prime is 381255674837. The reversal of 381255674836 is 638476552183.

It is a happy number.

It is a super-3 number, since 3×381255674836³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381255674837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229256941 + ... + 229258603.

It is an arithmetic number, because the mean of its divisors is an integer number (7457329152).

Almost surely, 2^381255674836 is an apocalyptic number.

It is an amenable number.

381255674836 is a deficient number, since it is larger than the sum of its proper divisors (334647923756).

381255674836 is a wasteful number, since it uses less digits than its factorization.

381255674836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309 (or 2307 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 58.

The spelling of 381255674836 in words is "three hundred eighty-one billion, two hundred fifty-five million, six hundred seventy-four thousand, eight hundred thirty-six".