16874485989 has 32 divisors (see below), whose sum is σ = 23195846016. Its totient is φ = 10905185280.

The previous prime is 16874485987. The next prime is 16874486003. The reversal of 16874485989 is 98958447861.

It is not a de Polignac number, because 16874485989 - 2¹ = 16874485987 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16874485987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17818414 + ... + 17819360.

It is an arithmetic number, because the mean of its divisors is an integer number (724870188).

Almost surely, 2^16874485989 is an apocalyptic number.

It is an amenable number.

16874485989 is a deficient number, since it is larger than the sum of its proper divisors (6321360027).

16874485989 is a wasteful number, since it uses less digits than its factorization.

16874485989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765.

The product of its digits is 139345920, while the sum is 69.

The spelling of 16874485989 in words is "sixteen billion, eight hundred seventy-four million, four hundred eighty-five thousand, nine hundred eighty-nine".