385647746583 has 32 divisors (see below), whose sum is σ = 562496239872. Its totient is φ = 233079264000.

The previous prime is 385647746579. The next prime is 385647746587.

385647746583 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (385647746579) and next prime (385647746587).

It is not a de Polignac number, because 385647746583 - 2² = 385647746579 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385647746587) 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, 18771585 + ... + 18792117.

It is an arithmetic number, because the mean of its divisors is an integer number (17578007496).

Almost surely, 2^385647746583 is an apocalyptic number.

385647746583 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

385647746583 is a deficient number, since it is larger than the sum of its proper divisors (176848493289).

385647746583 is a wasteful number, since it uses less digits than its factorization.

385647746583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22095.

The product of its digits is 406425600, while the sum is 66.

The spelling of 385647746583 in words is "three hundred eighty-five billion, six hundred forty-seven million, seven hundred forty-six thousand, five hundred eighty-three".