385996699583 has 4 divisors (see below), whose sum is σ = 421087308648. Its totient is φ = 350906090520.

The previous prime is 385996699579. The next prime is 385996699603.

385996699583 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 385996699583 - 2² = 385996699579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 385996699498 and 385996699507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385996699513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17545304516 + ... + 17545304537.

It is an arithmetic number, because the mean of its divisors is an integer number (105271827162).

Almost surely, 2^385996699583 is an apocalyptic number.

385996699583 is a deficient number, since it is larger than the sum of its proper divisors (35090609065).

385996699583 is a wasteful number, since it uses less digits than its factorization.

385996699583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35090609064.

The product of its digits is 3401222400, while the sum is 80.

The spelling of 385996699583 in words is "three hundred eighty-five billion, nine hundred ninety-six million, six hundred ninety-nine thousand, five hundred eighty-three".