354335173289 has 2 divisors, whose sum is σ = 354335173290. Its totient is φ = 354335173288.

The previous prime is 354335173273. The next prime is 354335173319. The reversal of 354335173289 is 982371533453.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 350621489689 + 3713683600 = 592133^2 + 60940^2 .

It is a cyclic number.

It is not a de Polignac number, because 354335173289 - 2⁴ = 354335173273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 354335173289.

It is not a weakly prime, because it can be changed into another prime (354335173229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177167586644 + 177167586645.

It is an arithmetic number, because the mean of its divisors is an integer number (177167586645).

Almost surely, 2^354335173289 is an apocalyptic number.

It is an amenable number.

354335173289 is a deficient number, since it is larger than the sum of its proper divisors (1).

354335173289 is an equidigital number, since it uses as much as digits as its factorization.

354335173289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 53.

The spelling of 354335173289 in words is "three hundred fifty-four billion, three hundred thirty-five million, one hundred seventy-three thousand, two hundred eighty-nine".