6396601418 has 4 divisors (see below), whose sum is σ = 9594902130. Its totient is φ = 3198300708.

The previous prime is 6396601417. The next prime is 6396601433. The reversal of 6396601418 is 8141066936.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4998065809 + 1398535609 = 70697^2 + 37397^2 .

It is a super-2 number, since 2×6396601418² = 81833019401519221448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6396601417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1599150353 + ... + 1599150356.

Almost surely, 2^6396601418 is an apocalyptic number.

6396601418 is a deficient number, since it is larger than the sum of its proper divisors (3198300712).

6396601418 is a wasteful number, since it uses less digits than its factorization.

6396601418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3198300711.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 6396601418 is about 79978.7560418390. The cubic root of 6396601418 is about 1856.3068331664.

The spelling of 6396601418 in words is "six billion, three hundred ninety-six million, six hundred one thousand, four hundred eighteen".