381611793468 has 24 divisors (see below), whose sum is σ = 890437847040. Its totient is φ = 127202455600.

The previous prime is 381611793439. The next prime is 381611793481. The reversal of 381611793468 is 864397116183.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1532293 + ... + 1763843.

It is an arithmetic number, because the mean of its divisors is an integer number (37101576960).

Almost surely, 2^381611793468 is an apocalyptic number.

It is an amenable number.

381611793468 is an abundant number, since it is smaller than the sum of its proper divisors (508826053572).

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

381611793468 is a wasteful number, since it uses less digits than its factorization.

381611793468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368897 (or 368895 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 57.

The spelling of 381611793468 in words is "three hundred eighty-one billion, six hundred eleven million, seven hundred ninety-three thousand, four hundred sixty-eight".