7129530659 has 4 divisors (see below), whose sum is σ = 7131722904. Its totient is φ = 7127338416.

The previous prime is 7129530649. The next prime is 7129530679. The reversal of 7129530659 is 9560359217.

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

It is a cyclic number.

It is not a de Polignac number, because 7129530659 - 2⁴ = 7129530643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7129530649) 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 3 ways as a sum of consecutive naturals, for example, 1091237 + ... + 1097750.

It is an arithmetic number, because the mean of its divisors is an integer number (1782930726).

Almost surely, 2^7129530659 is an apocalyptic number.

7129530659 is a deficient number, since it is larger than the sum of its proper divisors (2192245).

7129530659 is a wasteful number, since it uses less digits than its factorization.

7129530659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192244.

The product of its (nonzero) digits is 510300, while the sum is 47.

The square root of 7129530659 is about 84436.5481234282. The cubic root of 7129530659 is about 1924.6583446277.

The spelling of 7129530659 in words is "seven billion, one hundred twenty-nine million, five hundred thirty thousand, six hundred fifty-nine".