17900983049 has 16 divisors (see below), whose sum is σ = 18460612800. Its totient is φ = 17352766464.

The previous prime is 17900983039. The next prime is 17900983097. The reversal of 17900983049 is 94038900971.

It is a cyclic number.

It is not a de Polignac number, because 17900983049 - 2¹⁶ = 17900917513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 17900982988 and 17900983006.

It is not an unprimeable number, because it can be changed into a prime (17900983039) 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 15 ways as a sum of consecutive naturals, for example, 914042 + ... + 933420.

It is an arithmetic number, because the mean of its divisors is an integer number (1153788300).

Almost surely, 2^17900983049 is an apocalyptic number.

It is an amenable number.

17900983049 is a deficient number, since it is larger than the sum of its proper divisors (559629751).

17900983049 is a wasteful number, since it uses less digits than its factorization.

17900983049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19672.

The product of its (nonzero) digits is 489888, while the sum is 50.

The spelling of 17900983049 in words is "seventeen billion, nine hundred million, nine hundred eighty-three thousand, forty-nine".