6396376964 has 6 divisors (see below), whose sum is σ = 11193659694. Its totient is φ = 3198188480.

The previous prime is 6396376951. The next prime is 6396376991. The reversal of 6396376964 is 4696736936.

It can be written as a sum of positive squares in only one way, i.e., 4659154564 + 1737222400 = 68258^2 + 41680^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 799547117 + ... + 799547124.

It is an arithmetic number, because the mean of its divisors is an integer number (1865609949).

Almost surely, 2^6396376964 is an apocalyptic number.

It is an amenable number.

6396376964 is a deficient number, since it is larger than the sum of its proper divisors (4797282730).

6396376964 is a wasteful number, since it uses less digits than its factorization.

6396376964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599094245 (or 1599094243 counting only the distinct ones).

The product of its digits is 26453952, while the sum is 59.

The square root of 6396376964 is about 79977.3528194076. The cubic root of 6396376964 is about 1856.2851205756.

The spelling of 6396376964 in words is "six billion, three hundred ninety-six million, three hundred seventy-six thousand, nine hundred sixty-four".