349454773 has 2 divisors, whose sum is σ = 349454774. Its totient is φ = 349454772.

The previous prime is 349454717. The next prime is 349454789. The reversal of 349454773 is 377454943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 326958724 + 22496049 = 18082^2 + 4743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349454773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349454713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174727386 + 174727387.

It is an arithmetic number, because the mean of its divisors is an integer number (174727387).

Almost surely, 2^349454773 is an apocalyptic number.

It is an amenable number.

349454773 is a deficient number, since it is larger than the sum of its proper divisors (1).

349454773 is an equidigital number, since it uses as much as digits as its factorization.

349454773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 46.

The square root of 349454773 is about 18693.7094499727. The cubic root of 349454773 is about 704.3637423034.

The spelling of 349454773 in words is "three hundred forty-nine million, four hundred fifty-four thousand, seven hundred seventy-three".