353949353 has 2 divisors, whose sum is σ = 353949354. Its totient is φ = 353949352.

The previous prime is 353949341. The next prime is 353949359.

353949353 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209757289 + 144192064 = 14483^2 + 12008^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 353949353 - 2¹⁸ = 353687209 is a prime.

It is not a weakly prime, because it can be changed into another prime (353949359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176974676 + 176974677.

It is an arithmetic number, because the mean of its divisors is an integer number (176974677).

Almost surely, 2^353949353 is an apocalyptic number.

It is an amenable number.

353949353 is a deficient number, since it is larger than the sum of its proper divisors (1).

353949353 is an equidigital number, since it uses as much as digits as its factorization.

353949353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 656100, while the sum is 44.

The square root of 353949353 is about 18813.5417452430. The cubic root of 353949353 is about 707.3706576393.

The spelling of 353949353 in words is "three hundred fifty-three million, nine hundred forty-nine thousand, three hundred fifty-three".