672426036929 has 2 divisors, whose sum is σ = 672426036930. Its totient is φ = 672426036928.

The previous prime is 672426036923. The next prime is 672426036941. The reversal of 672426036929 is 929630624276.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 551358226225 + 121067810704 = 742535^2 + 347948^2 .

It is a cyclic number.

It is not a de Polignac number, because 672426036929 - 2⁴ = 672426036913 is a prime.

It is not a weakly prime, because it can be changed into another prime (672426036923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336213018464 + 336213018465.

It is an arithmetic number, because the mean of its divisors is an integer number (336213018465).

Almost surely, 2^672426036929 is an apocalyptic number.

It is an amenable number.

672426036929 is a deficient number, since it is larger than the sum of its proper divisors (1).

672426036929 is an equidigital number, since it uses as much as digits as its factorization.

672426036929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11757312, while the sum is 56.

The spelling of 672426036929 in words is "six hundred seventy-two billion, four hundred twenty-six million, thirty-six thousand, nine hundred twenty-nine".