12757173773 has 2 divisors, whose sum is σ = 12757173774. Its totient is φ = 12757173772.

The previous prime is 12757173769. The next prime is 12757173791. The reversal of 12757173773 is 37737175721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8630781604 + 4126392169 = 92902^2 + 64237^2 .

It is a cyclic number.

It is not a de Polignac number, because 12757173773 - 2² = 12757173769 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12757175773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6378586886 + 6378586887.

It is an arithmetic number, because the mean of its divisors is an integer number (6378586887).

Almost surely, 2^12757173773 is an apocalyptic number.

It is an amenable number.

12757173773 is a deficient number, since it is larger than the sum of its proper divisors (1).

12757173773 is an equidigital number, since it uses as much as digits as its factorization.

12757173773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512630, while the sum is 50.

The spelling of 12757173773 in words is "twelve billion, seven hundred fifty-seven million, one hundred seventy-three thousand, seven hundred seventy-three".