385621287413 has 4 divisors (see below), whose sum is σ = 402387430368. Its totient is φ = 368855144460.

The previous prime is 385621287379. The next prime is 385621287461. The reversal of 385621287413 is 314782126583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 385621287413 - 2¹⁸ = 385621025269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385621287463) 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, 8383071443 + ... + 8383071488.

It is an arithmetic number, because the mean of its divisors is an integer number (100596857592).

Almost surely, 2^385621287413 is an apocalyptic number.

It is an amenable number.

385621287413 is a deficient number, since it is larger than the sum of its proper divisors (16766142955).

385621287413 is a wasteful number, since it uses less digits than its factorization.

385621287413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16766142954.

The product of its digits is 1935360, while the sum is 50.

The spelling of 385621287413 in words is "three hundred eighty-five billion, six hundred twenty-one million, two hundred eighty-seven thousand, four hundred thirteen".