354335173273 has 2 divisors, whose sum is σ = 354335173274. Its totient is φ = 354335173272.

The previous prime is 354335173237. The next prime is 354335173289. The reversal of 354335173273 is 372371533453.

Together with previous prime (354335173237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253117659664 + 101217513609 = 503108^2 + 318147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354335173273 is a prime.

It is not a weakly prime, because it can be changed into another prime (354335173873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177167586636 + 177167586637.

It is an arithmetic number, because the mean of its divisors is an integer number (177167586637).

Almost surely, 2^354335173273 is an apocalyptic number.

It is an amenable number.

354335173273 is a deficient number, since it is larger than the sum of its proper divisors (1).

354335173273 is an equidigital number, since it uses as much as digits as its factorization.

354335173273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2381400, while the sum is 46.

The spelling of 354335173273 in words is "three hundred fifty-four billion, three hundred thirty-five million, one hundred seventy-three thousand, two hundred seventy-three".