6385555364 has 12 divisors (see below), whose sum is σ = 11175635100. Its totient is φ = 3192516768.

The previous prime is 6385555303. The next prime is 6385555387. The reversal of 6385555364 is 4635555836.

It can be written as a sum of positive squares in 2 ways, for example, as 1807950400 + 4577604964 = 42520^2 + 67658^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3719 + ... + 113070.

It is an arithmetic number, because the mean of its divisors is an integer number (931302925).

Almost surely, 2^6385555364 is an apocalyptic number.

It is an amenable number.

6385555364 is a deficient number, since it is larger than the sum of its proper divisors (4790079736).

6385555364 is a wasteful number, since it uses less digits than its factorization.

6385555364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130462 (or 130460 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 50.

The square root of 6385555364 is about 79909.6700281011. The cubic root of 6385555364 is about 1855.2376883426.

The spelling of 6385555364 in words is "six billion, three hundred eighty-five million, five hundred fifty-five thousand, three hundred sixty-four".