349664753 has 2 divisors, whose sum is σ = 349664754. Its totient is φ = 349664752.

The previous prime is 349664743. The next prime is 349664801. The reversal of 349664753 is 357466943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332953009 + 16711744 = 18247^2 + 4088^2 .

It is a cyclic number.

It is not a de Polignac number, because 349664753 - 2²⁴ = 332887537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 349664698 and 349664707.

It is not a weakly prime, because it can be changed into another prime (349664723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174832376 + 174832377.

It is an arithmetic number, because the mean of its divisors is an integer number (174832377).

Almost surely, 2^349664753 is an apocalyptic number.

It is an amenable number.

349664753 is a deficient number, since it is larger than the sum of its proper divisors (1).

349664753 is an equidigital number, since it uses as much as digits as its factorization.

349664753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 47.

The square root of 349664753 is about 18699.3249343392. The cubic root of 349664753 is about 704.5047931596.

The spelling of 349664753 in words is "three hundred forty-nine million, six hundred sixty-four thousand, seven hundred fifty-three".