1292762991173 has 2 divisors, whose sum is σ = 1292762991174. Its totient is φ = 1292762991172.

The previous prime is 1292762991167. The next prime is 1292762991193. The reversal of 1292762991173 is 3711992672921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1273877910244 + 18885080929 = 1128662^2 + 137423^2 .

It is a cyclic number.

It is not a de Polignac number, because 1292762991173 - 2²⁸ = 1292494555717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1292762991193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646381495586 + 646381495587.

It is an arithmetic number, because the mean of its divisors is an integer number (646381495587).

Almost surely, 2^{1292762991173} is an apocalyptic number.

It is an amenable number.

1292762991173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1292762991173 is an equidigital number, since it uses as much as digits as its factorization.

1292762991173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5143824, while the sum is 59.

The spelling of 1292762991173 in words is "one trillion, two hundred ninety-two billion, seven hundred sixty-two million, nine hundred ninety-one thousand, one hundred seventy-three".