385342550347 has 4 divisors (see below), whose sum is σ = 385469436016. Its totient is φ = 385215664680.

The previous prime is 385342550323. The next prime is 385342550363. The reversal of 385342550347 is 743055243583.

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 385342550347 - 2³⁵ = 350982811979 is a prime.

It is a super-2 number, since 2×385342550347² (a number of 24 digits) contains 22 as substring.

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 385342550347.

It is not an unprimeable number, because it can be changed into a prime (385342550317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63438279 + ... + 63444352.

It is an arithmetic number, because the mean of its divisors is an integer number (96367359004).

Almost surely, 2^385342550347 is an apocalyptic number.

385342550347 is a deficient number, since it is larger than the sum of its proper divisors (126885669).

385342550347 is a wasteful number, since it uses less digits than its factorization.

385342550347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126885668.

The product of its (nonzero) digits is 6048000, while the sum is 49.

It can be divided in two parts, 38534 and 2550347, that added together give a square (2588881 = 1609²).

The spelling of 385342550347 in words is "three hundred eighty-five billion, three hundred forty-two million, five hundred fifty thousand, three hundred forty-seven".