386534540203 has 4 divisors (see below), whose sum is σ = 441753760240. Its totient is φ = 331315320168.

The previous prime is 386534540159. The next prime is 386534540243. The reversal of 386534540203 is 302045435683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302045435683 = 241 ⋅1253300563.

It is not a de Polignac number, because 386534540203 - 2⁹ = 386534539691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 386534540203.

It is not an unprimeable number, because it can be changed into a prime (386534540243) 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, 27609610008 + ... + 27609610021.

It is an arithmetic number, because the mean of its divisors is an integer number (110438440060).

Almost surely, 2^386534540203 is an apocalyptic number.

386534540203 is a deficient number, since it is larger than the sum of its proper divisors (55219220037).

386534540203 is an equidigital number, since it uses as much as digits as its factorization.

386534540203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55219220036.

The product of its (nonzero) digits is 1036800, while the sum is 43.

Adding to 386534540203 its reverse (302045435683), we get a palindrome (688579975886).

The spelling of 386534540203 in words is "three hundred eighty-six billion, five hundred thirty-four million, five hundred forty thousand, two hundred three".