7135664459 has 16 divisors (see below), whose sum is σ = 8941591296. Its totient is φ = 5532021600.

The previous prime is 7135664441. The next prime is 7135664461. The reversal of 7135664459 is 9544665317.

It is a de Polignac number, because none of the positive numbers 2^k-7135664459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7135664429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220037 + ... + 250374.

It is an arithmetic number, because the mean of its divisors is an integer number (558849456).

Almost surely, 2^7135664459 is an apocalyptic number.

7135664459 is a deficient number, since it is larger than the sum of its proper divisors (1805926837).

7135664459 is a wasteful number, since it uses less digits than its factorization.

7135664459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470626.

The product of its digits is 2721600, while the sum is 50.

The square root of 7135664459 is about 84472.8622635696. The cubic root of 7135664459 is about 1925.2101380989.

The spelling of 7135664459 in words is "seven billion, one hundred thirty-five million, six hundred sixty-four thousand, four hundred fifty-nine".