659150491 has 4 divisors (see below), whose sum is σ = 687809232. Its totient is φ = 630491752.

The previous prime is 659150441. The next prime is 659150501. The reversal of 659150491 is 194051956.

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 659150491 - 2⁹ = 659149979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (659150431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14329336 + ... + 14329381.

It is an arithmetic number, because the mean of its divisors is an integer number (171952308).

Almost surely, 2^659150491 is an apocalyptic number.

659150491 is a deficient number, since it is larger than the sum of its proper divisors (28658741).

659150491 is a wasteful number, since it uses less digits than its factorization.

659150491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28658740.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 659150491 is about 25673.9262871887. The cubic root of 659150491 is about 870.2850569845.

The spelling of 659150491 in words is "six hundred fifty-nine million, one hundred fifty thousand, four hundred ninety-one".