386637046813 has 4 divisors (see below), whose sum is σ = 386683688448. Its totient is φ = 386590405180.

The previous prime is 386637046723. The next prime is 386637046819. The reversal of 386637046813 is 318640736683.

It is a happy number.

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 386637046813 - 2¹⁷ = 386636915741 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 (386637046819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23308381 + ... + 23324962.

It is an arithmetic number, because the mean of its divisors is an integer number (96670922112).

Almost surely, 2^386637046813 is an apocalyptic number.

It is an amenable number.

386637046813 is a deficient number, since it is larger than the sum of its proper divisors (46641635).

386637046813 is an equidigital number, since it uses as much as digits as its factorization.

386637046813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46641634.

The product of its (nonzero) digits is 10450944, while the sum is 55.

The spelling of 386637046813 in words is "three hundred eighty-six billion, six hundred thirty-seven million, forty-six thousand, eight hundred thirteen".