6386761604 has 6 divisors (see below), whose sum is σ = 11176832814. Its totient is φ = 3193380800.

The previous prime is 6386761571. The next prime is 6386761687. The reversal of 6386761604 is 4061676836.

It can be written as a sum of positive squares in only one way, i.e., 5952122500 + 434639104 = 77150^2 + 20848^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 798345197 + ... + 798345204.

It is an arithmetic number, because the mean of its divisors is an integer number (1862805469).

Almost surely, 2^6386761604 is an apocalyptic number.

It is an amenable number.

6386761604 is a deficient number, since it is larger than the sum of its proper divisors (4790071210).

6386761604 is a wasteful number, since it uses less digits than its factorization.

6386761604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596690405 (or 1596690403 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 6386761604 is about 79917.2171937937. The cubic root of 6386761604 is about 1855.3544999528.

The spelling of 6386761604 in words is "six billion, three hundred eighty-six million, seven hundred sixty-one thousand, six hundred four".