385335665417 has 4 divisors (see below), whose sum is σ = 385449910020. Its totient is φ = 385221420816.

The previous prime is 385335665411. The next prime is 385335665437. The reversal of 385335665417 is 714566533583.

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

It can be written as a sum of positive squares in 2 ways, for example, as 231780622096 + 153555043321 = 481436^2 + 391861^2 .

It is a cyclic number.

It is not a de Polignac number, because 385335665417 - 2²² = 385331471113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385335665411) 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, 57117242 + ... + 57123987.

It is an arithmetic number, because the mean of its divisors is an integer number (96362477505).

Almost surely, 2^385335665417 is an apocalyptic number.

It is an amenable number.

385335665417 is a deficient number, since it is larger than the sum of its proper divisors (114244603).

385335665417 is a wasteful number, since it uses less digits than its factorization.

385335665417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114244602.

The product of its digits is 27216000, while the sum is 56.

The spelling of 385335665417 in words is "three hundred eighty-five billion, three hundred thirty-five million, six hundred sixty-five thousand, four hundred seventeen".