385553342013 has 64 divisors (see below), whose sum is σ = 612327598080. Its totient is φ = 211211255808.

The previous prime is 385553341991. The next prime is 385553342017. The reversal of 385553342013 is 310243355583.

It is not a de Polignac number, because 385553342013 - 2⁸ = 385553341757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385553342017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35850045 + ... + 35860797.

It is an arithmetic number, because the mean of its divisors is an integer number (9567618720).

Almost surely, 2^385553342013 is an apocalyptic number.

It is an amenable number.

385553342013 is a deficient number, since it is larger than the sum of its proper divisors (226774256067).

385553342013 is a wasteful number, since it uses less digits than its factorization.

385553342013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11538.

The product of its (nonzero) digits is 648000, while the sum is 42.

Adding to 385553342013 its reverse (310243355583), we get a palindrome (695796697596).

The spelling of 385553342013 in words is "three hundred eighty-five billion, five hundred fifty-three million, three hundred forty-two thousand, thirteen".