2972645173 has 2 divisors, whose sum is σ = 2972645174. Its totient is φ = 2972645172.

The previous prime is 2972645153. The next prime is 2972645183. The reversal of 2972645173 is 3715462792.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1630302129 + 1342343044 = 40377^2 + 36638^2 .

It is a cyclic number.

It is not a de Polignac number, because 2972645173 - 2⁵ = 2972645141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2972645153) 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, 1486322586 + 1486322587.

It is an arithmetic number, because the mean of its divisors is an integer number (1486322587).

Almost surely, 2^2972645173 is an apocalyptic number.

It is an amenable number.

2972645173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2972645173 is an equidigital number, since it uses as much as digits as its factorization.

2972645173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 46.

The square root of 2972645173 is about 54521.9696361017. The cubic root of 2972645173 is about 1437.8525690259.

The spelling of 2972645173 in words is "two billion, nine hundred seventy-two million, six hundred forty-five thousand, one hundred seventy-three".