6442368135 has 16 divisors (see below), whose sum is σ = 11780330496. Its totient is φ = 2945082528.

The previous prime is 6442368113. The next prime is 6442368169. The reversal of 6442368135 is 5318632446.

It is not a de Polignac number, because 6442368135 - 2²¹ = 6440270983 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30677839 + ... + 30678048.

It is an arithmetic number, because the mean of its divisors is an integer number (736270656).

Almost surely, 2^6442368135 is an apocalyptic number.

6442368135 is a deficient number, since it is larger than the sum of its proper divisors (5337962361).

6442368135 is a wasteful number, since it uses less digits than its factorization.

6442368135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61355902.

The product of its digits is 414720, while the sum is 42.

The square root of 6442368135 is about 80264.3640415845. The cubic root of 6442368135 is about 1860.7235146298.

The spelling of 6442368135 in words is "six billion, four hundred forty-two million, three hundred sixty-eight thousand, one hundred thirty-five".