672350436089 has 2 divisors, whose sum is σ = 672350436090. Its totient is φ = 672350436088.

The previous prime is 672350436061. The next prime is 672350436091. The reversal of 672350436089 is 980634053276.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 409728010000 + 262622426089 = 640100^2 + 512467^2 .

It is a cyclic number.

It is not a de Polignac number, because 672350436089 - 2¹² = 672350431993 is a prime.

Together with 672350436091, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 672350436089.

It is not a weakly prime, because it can be changed into another prime (672350486089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336175218044 + 336175218045.

It is an arithmetic number, because the mean of its divisors is an integer number (336175218045).

Almost surely, 2^672350436089 is an apocalyptic number.

It is an amenable number.

672350436089 is a deficient number, since it is larger than the sum of its proper divisors (1).

672350436089 is an equidigital number, since it uses as much as digits as its factorization.

672350436089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 672350436089 in words is "six hundred seventy-two billion, three hundred fifty million, four hundred thirty-six thousand, eighty-nine".