44766066637 has 2 divisors, whose sum is σ = 44766066638. Its totient is φ = 44766066636.

The previous prime is 44766066619. The next prime is 44766066679. The reversal of 44766066637 is 73666066744.

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., 44751710116 + 14356521 = 211546^2 + 3789^2 .

It is a cyclic number.

It is not a de Polignac number, because 44766066637 - 2²³ = 44757678029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44766066617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22383033318 + 22383033319.

It is an arithmetic number, because the mean of its divisors is an integer number (22383033319).

Almost surely, 2^44766066637 is an apocalyptic number.

It is an amenable number.

44766066637 is a deficient number, since it is larger than the sum of its proper divisors (1).

44766066637 is an equidigital number, since it uses as much as digits as its factorization.

44766066637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18289152, while the sum is 55.

The spelling of 44766066637 in words is "forty-four billion, seven hundred sixty-six million, sixty-six thousand, six hundred thirty-seven".