973581215773 has 2 divisors, whose sum is σ = 973581215774. Its totient is φ = 973581215772.

The previous prime is 973581215749. The next prime is 973581215797. The reversal of 973581215773 is 377512185379.

It is a balanced prime because it is at equal distance from previous prime (973581215749) and next prime (973581215797).

It can be written as a sum of positive squares in only one way, i.e., 962435557444 + 11145658329 = 981038^2 + 105573^2 .

It is a cyclic number.

It is not a de Polignac number, because 973581215773 - 2⁹ = 973581215261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (973581285773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486790607886 + 486790607887.

It is an arithmetic number, because the mean of its divisors is an integer number (486790607887).

Almost surely, 2^973581215773 is an apocalyptic number.

It is an amenable number.

973581215773 is a deficient number, since it is larger than the sum of its proper divisors (1).

973581215773 is an equidigital number, since it uses as much as digits as its factorization.

973581215773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11113200, while the sum is 58.

It can be divided in two parts, 97358 and 1215773, that added together give a palindrome (1313131).

The spelling of 973581215773 in words is "nine hundred seventy-three billion, five hundred eighty-one million, two hundred fifteen thousand, seven hundred seventy-three".