37221760673 has 2 divisors, whose sum is σ = 37221760674. Its totient is φ = 37221760672.

The previous prime is 37221760649. The next prime is 37221760691. The reversal of 37221760673 is 37606712273.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19311827089 + 17909933584 = 138967^2 + 133828^2 .

It is a cyclic number.

It is not a de Polignac number, because 37221760673 - 2¹⁰ = 37221759649 is a prime.

It is not a weakly prime, because it can be changed into another prime (37221760643) 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, 18610880336 + 18610880337.

It is an arithmetic number, because the mean of its divisors is an integer number (18610880337).

Almost surely, 2^37221760673 is an apocalyptic number.

It is an amenable number.

37221760673 is a deficient number, since it is larger than the sum of its proper divisors (1).

37221760673 is an equidigital number, since it uses as much as digits as its factorization.

37221760673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 444528, while the sum is 44.

The spelling of 37221760673 in words is "thirty-seven billion, two hundred twenty-one million, seven hundred sixty thousand, six hundred seventy-three".