1672306803289 has 4 divisors (see below), whose sum is σ = 1673260773556. Its totient is φ = 1671352833024.

The previous prime is 1672306803287. The next prime is 1672306803319. The reversal of 1672306803289 is 9823086032761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 638560810000 + 1033745993289 = 799100^2 + 1016733^2 .

It is a cyclic number.

It is not a de Polignac number, because 1672306803289 - 2¹ = 1672306803287 is a prime.

It is a super-2 number, since 2×1672306803289² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1672306803287) 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 3 ways as a sum of consecutive naturals, for example, 476982504 + ... + 476986009.

It is an arithmetic number, because the mean of its divisors is an integer number (418315193389).

Almost surely, 2^{1672306803289} is an apocalyptic number.

It is an amenable number.

1672306803289 is a deficient number, since it is larger than the sum of its proper divisors (953970267).

1672306803289 is an equidigital number, since it uses as much as digits as its factorization.

1672306803289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953970266.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 1672306803289 in words is "one trillion, six hundred seventy-two billion, three hundred six million, eight hundred three thousand, two hundred eighty-nine".