973337045221 has 2 divisors, whose sum is σ = 973337045222. Its totient is φ = 973337045220.

The previous prime is 973337045207. The next prime is 973337045251. The reversal of 973337045221 is 122540733379.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 830841365025 + 142495680196 = 911505^2 + 377486^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-973337045221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (973337045251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486668522610 + 486668522611.

It is an arithmetic number, because the mean of its divisors is an integer number (486668522611).

Almost surely, 2^973337045221 is an apocalyptic number.

It is an amenable number.

973337045221 is a deficient number, since it is larger than the sum of its proper divisors (1).

973337045221 is an equidigital number, since it uses as much as digits as its factorization.

973337045221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 46.

The spelling of 973337045221 in words is "nine hundred seventy-three billion, three hundred thirty-seven million, forty-five thousand, two hundred twenty-one".