659490349 has 4 divisors (see below), whose sum is σ = 753703264. Its totient is φ = 565277436.

The previous prime is 659490347. The next prime is 659490379. The reversal of 659490349 is 943094956.

659490349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 659490349 - 2¹ = 659490347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659490343) 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, 47106447 + ... + 47106460.

It is an arithmetic number, because the mean of its divisors is an integer number (188425816).

Almost surely, 2^659490349 is an apocalyptic number.

It is an amenable number.

659490349 is a deficient number, since it is larger than the sum of its proper divisors (94212915).

659490349 is an equidigital number, since it uses as much as digits as its factorization.

659490349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94212914.

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

The square root of 659490349 is about 25680.5441725833. The cubic root of 659490349 is about 870.4346042801.

The spelling of 659490349 in words is "six hundred fifty-nine million, four hundred ninety thousand, three hundred forty-nine".