383881609626 has 8 divisors (see below), whose sum is σ = 767763219264. Its totient is φ = 127960536540.

The previous prime is 383881609613. The next prime is 383881609633. The reversal of 383881609626 is 626906188383.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

383881609626 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 383881609626.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31990134130 + ... + 31990134141.

It is an arithmetic number, because the mean of its divisors is an integer number (95970402408).

Almost surely, 2^383881609626 is an apocalyptic number.

383881609626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

383881609626 is a wasteful number, since it uses less digits than its factorization.

383881609626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63980268276.

The product of its (nonzero) digits is 17915904, while the sum is 60.

The spelling of 383881609626 in words is "three hundred eighty-three billion, eight hundred eighty-one million, six hundred nine thousand, six hundred twenty-six".