385591541638 has 8 divisors (see below), whose sum is σ = 590693425632. Its totient is φ = 188693733096.

The previous prime is 385591541603. The next prime is 385591541639. The reversal of 385591541638 is 836145195583.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385591541639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2051018745 + ... + 2051018932.

It is an arithmetic number, because the mean of its divisors is an integer number (73836678204).

Almost surely, 2^385591541638 is an apocalyptic number.

385591541638 is a deficient number, since it is larger than the sum of its proper divisors (205101883994).

385591541638 is a wasteful number, since it uses less digits than its factorization.

385591541638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102037726.

The product of its digits is 15552000, while the sum is 58.

The spelling of 385591541638 in words is "three hundred eighty-five billion, five hundred ninety-one million, five hundred forty-one thousand, six hundred thirty-eight".