1659035018049 has 4 divisors (see below), whose sum is σ = 2212046690736. Its totient is φ = 1106023345364.

The previous prime is 1659035018033. The next prime is 1659035018071. The reversal of 1659035018049 is 9408105309561.

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 1659035018049 - 2⁴ = 1659035018033 is a prime.

It is a super-2 number, since 2×1659035018049² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1659035017992 and 1659035018010.

It is not an unprimeable number, because it can be changed into a prime (1659035018099) 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, 276505836339 + ... + 276505836344.

It is an arithmetic number, because the mean of its divisors is an integer number (553011672684).

Almost surely, 2^{1659035018049} is an apocalyptic number.

It is an amenable number.

1659035018049 is a deficient number, since it is larger than the sum of its proper divisors (553011672687).

1659035018049 is an equidigital number, since it uses as much as digits as its factorization.

1659035018049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553011672686.

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 1659035018049 in words is "one trillion, six hundred fifty-nine billion, thirty-five million, eighteen thousand, forty-nine".