6415642355 has 16 divisors (see below), whose sum is σ = 8131943424. Its totient is φ = 4851433440.

The previous prime is 6415642351. The next prime is 6415642357. The reversal of 6415642355 is 5532465146.

It is a happy number.

It is not a de Polignac number, because 6415642355 - 2² = 6415642351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6415642351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474629 + ... + 487958.

It is an arithmetic number, because the mean of its divisors is an integer number (508246464).

Almost surely, 2^6415642355 is an apocalyptic number.

6415642355 is a deficient number, since it is larger than the sum of its proper divisors (1716301069).

6415642355 is a wasteful number, since it uses less digits than its factorization.

6415642355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962666.

The product of its digits is 432000, while the sum is 41.

The square root of 6415642355 is about 80097.7050545145. The cubic root of 6415642355 is about 1858.1469148711.

The spelling of 6415642355 in words is "six billion, four hundred fifteen million, six hundred forty-two thousand, three hundred fifty-five".