672277944439 has 2 divisors, whose sum is σ = 672277944440. Its totient is φ = 672277944438.

The previous prime is 672277944431. The next prime is 672277944451. The reversal of 672277944439 is 934449772276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 672277944439 - 2³ = 672277944431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672277944431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336138972219 + 336138972220.

It is an arithmetic number, because the mean of its divisors is an integer number (336138972220).

Almost surely, 2^672277944439 is an apocalyptic number.

672277944439 is a deficient number, since it is larger than the sum of its proper divisors (1).

672277944439 is an equidigital number, since it uses as much as digits as its factorization.

672277944439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 128024064, while the sum is 64.

The spelling of 672277944439 in words is "six hundred seventy-two billion, two hundred seventy-seven million, nine hundred forty-four thousand, four hundred thirty-nine".