672259027637 has 2 divisors, whose sum is σ = 672259027638. Its totient is φ = 672259027636.

The previous prime is 672259027597. The next prime is 672259027651. The reversal of 672259027637 is 736720952276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 631761087556 + 40497940081 = 794834^2 + 201241^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672259027637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672259057637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336129513818 + 336129513819.

It is an arithmetic number, because the mean of its divisors is an integer number (336129513819).

Almost surely, 2^672259027637 is an apocalyptic number.

It is an amenable number.

672259027637 is a deficient number, since it is larger than the sum of its proper divisors (1).

672259027637 is an equidigital number, since it uses as much as digits as its factorization.

672259027637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13335840, while the sum is 56.

The spelling of 672259027637 in words is "six hundred seventy-two billion, two hundred fifty-nine million, twenty-seven thousand, six hundred thirty-seven".