6385504051 has 4 divisors (see below), whose sum is σ = 6394745704. Its totient is φ = 6376262400.

The previous prime is 6385504049. The next prime is 6385504057. The reversal of 6385504051 is 1504055836.

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 6385504051 - 2¹ = 6385504049 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 6385504051.

It is not an unprimeable number, because it can be changed into a prime (6385504057) 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, 4619790 + ... + 4621171.

It is an arithmetic number, because the mean of its divisors is an integer number (1598686426).

Almost surely, 2^6385504051 is an apocalyptic number.

6385504051 is a deficient number, since it is larger than the sum of its proper divisors (9241653).

6385504051 is an equidigital number, since it uses as much as digits as its factorization.

6385504051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9241652.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 6385504051 is about 79909.3489586794. The cubic root of 6385504051 is about 1855.2327188941.

Adding to 6385504051 its reverse (1504055836), we get a palindrome (7889559887).

The spelling of 6385504051 in words is "six billion, three hundred eighty-five million, five hundred four thousand, fifty-one".