80244041155637 has 2 divisors, whose sum is σ = 80244041155638. Its totient is φ = 80244041155636.

The previous prime is 80244041155633. The next prime is 80244041155657. The reversal of 80244041155637 is 73655114044208.

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., 47271111409201 + 32972929746436 = 6875399^2 + 5742206^2 .

It is a cyclic number.

It is not a de Polignac number, because 80244041155637 - 2² = 80244041155633 is a prime.

It is a super-2 number, since 2×80244041155637² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80244041155633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40122020577818 + 40122020577819.

It is an arithmetic number, because the mean of its divisors is an integer number (40122020577819).

Almost surely, 2^{80244041155637} is an apocalyptic number.

It is an amenable number.

80244041155637 is a deficient number, since it is larger than the sum of its proper divisors (1).

80244041155637 is an equidigital number, since it uses as much as digits as its factorization.

80244041155637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 80244041155637 in words is "eighty trillion, two hundred forty-four billion, forty-one million, one hundred fifty-five thousand, six hundred thirty-seven".