1659044313 has 6 divisors (see below), whose sum is σ = 2396397354. Its totient is φ = 1106029536.

The previous prime is 1659044311. The next prime is 1659044323. The reversal of 1659044313 is 3134409561.

1659044313 is a `hidden beast` number, since 16 + 590 + 4 + 43 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1012003344 + 647040969 = 31812^2 + 25437^2 .

It is not a de Polignac number, because 1659044313 - 2¹ = 1659044311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1659044311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92169120 + ... + 92169137.

It is an arithmetic number, because the mean of its divisors is an integer number (399399559).

Almost surely, 2^1659044313 is an apocalyptic number.

It is an amenable number.

1659044313 is a deficient number, since it is larger than the sum of its proper divisors (737353041).

1659044313 is a wasteful number, since it uses less digits than its factorization.

1659044313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184338263 (or 184338260 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 1659044313 is about 40731.3676789769. The cubic root of 1659044313 is about 1183.8208791398.

The spelling of 1659044313 in words is "one billion, six hundred fifty-nine million, forty-four thousand, three hundred thirteen".