6400606369 has 8 divisors (see below), whose sum is σ = 6779980800. Its totient is φ = 6021550656.

The previous prime is 6400606367. The next prime is 6400606397. The reversal of 6400606369 is 9636060046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6400606369 - 2¹ = 6400606367 is a prime.

It is a super-2 number, since 2×6400606369² = 81935523781766728322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6400606367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37689 + ... + 119254.

It is an arithmetic number, because the mean of its divisors is an integer number (847497600).

Almost surely, 2^6400606369 is an apocalyptic number.

It is an amenable number.

6400606369 is a deficient number, since it is larger than the sum of its proper divisors (379374431).

6400606369 is a wasteful number, since it uses less digits than its factorization.

6400606369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159359.

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 6400606369 is about 80003.7897164878. The cubic root of 6400606369 is about 1856.6941673346.

The spelling of 6400606369 in words is "six billion, four hundred million, six hundred six thousand, three hundred sixty-nine".