659480890 has 16 divisors (see below), whose sum is σ = 1187459208. Its totient is φ = 263704896.

The previous prime is 659480869. The next prime is 659480893. The reversal of 659480890 is 98084956.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 81703521 + 577777369 = 9039^2 + 24037^2 .

It is not an unprimeable number, because it can be changed into a prime (659480893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27004 + ... + 45256.

Almost surely, 2^659480890 is an apocalyptic number.

659480890 is a deficient number, since it is larger than the sum of its proper divisors (527978318).

659480890 is a wasteful number, since it uses less digits than its factorization.

659480890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21873.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 659480890 is about 25680.3600052647. The cubic root of 659480890 is about 870.4304427432.

The spelling of 659480890 in words is "six hundred fifty-nine million, four hundred eighty thousand, eight hundred ninety".