659434099 has 4 divisors (see below), whose sum is σ = 659532736. Its totient is φ = 659335464.

The previous prime is 659434079. The next prime is 659434141. The reversal of 659434099 is 990434956.

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 659434099 - 2⁵ = 659434067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (659434079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38499 + ... + 52924.

It is an arithmetic number, because the mean of its divisors is an integer number (164883184).

Almost surely, 2^659434099 is an apocalyptic number.

659434099 is a deficient number, since it is larger than the sum of its proper divisors (98637).

659434099 is an equidigital number, since it uses as much as digits as its factorization.

659434099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98636.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The square root of 659434099 is about 25679.4489621565. The cubic root of 659434099 is about 870.4098562108.

The spelling of 659434099 in words is "six hundred fifty-nine million, four hundred thirty-four thousand, ninety-nine".