1679492289 has 16 divisors (see below), whose sum is σ = 2397139200. Its totient is φ = 1042751376.

The previous prime is 1679492279. The next prime is 1679492299. The reversal of 1679492289 is 9822949761.

It is an interprime number because it is at equal distance from previous prime (1679492279) and next prime (1679492299).

It is not a de Polignac number, because 1679492289 - 2⁵ = 1679492257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (1679492279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246339 + ... + 253064.

It is an arithmetic number, because the mean of its divisors is an integer number (149821200).

Almost surely, 2^1679492289 is an apocalyptic number.

1679492289 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1679492289 is a deficient number, since it is larger than the sum of its proper divisors (717646911).

1679492289 is a wasteful number, since it uses less digits than its factorization.

1679492289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499484.

The product of its digits is 3919104, while the sum is 57.

The square root of 1679492289 is about 40981.6091558152. The cubic root of 1679492289 is about 1188.6646247347.

The spelling of 1679492289 in words is "one billion, six hundred seventy-nine million, four hundred ninety-two thousand, two hundred eighty-nine".