3662981750273 has 2 divisors, whose sum is σ = 3662981750274. Its totient is φ = 3662981750272.

The previous prime is 3662981750261. The next prime is 3662981750279. The reversal of 3662981750273 is 3720571892663.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2471583304129 + 1191398446144 = 1572127^2 + 1091512^2 .

It is a cyclic number.

It is not a de Polignac number, because 3662981750273 - 2²² = 3662977555969 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3662981750279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1831490875136 + 1831490875137.

It is an arithmetic number, because the mean of its divisors is an integer number (1831490875137).

Almost surely, 2^{3662981750273} is an apocalyptic number.

It is an amenable number.

3662981750273 is a deficient number, since it is larger than the sum of its proper divisors (1).

3662981750273 is an equidigital number, since it uses as much as digits as its factorization.

3662981750273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22861440, while the sum is 59.

The spelling of 3662981750273 in words is "three trillion, six hundred sixty-two billion, nine hundred eighty-one million, seven hundred fifty thousand, two hundred seventy-three".