353911949 has 2 divisors, whose sum is σ = 353911950. Its totient is φ = 353911948.

The previous prime is 353911939. The next prime is 353911951. The reversal of 353911949 is 949119353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 349951849 + 3960100 = 18707^2 + 1990^2 .

It is a cyclic number.

It is not a de Polignac number, because 353911949 - 2⁸ = 353911693 is a prime.

Together with 353911951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (353911939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176955974 + 176955975.

It is an arithmetic number, because the mean of its divisors is an integer number (176955975).

Almost surely, 2^353911949 is an apocalyptic number.

It is an amenable number.

353911949 is a deficient number, since it is larger than the sum of its proper divisors (1).

353911949 is an equidigital number, since it uses as much as digits as its factorization.

353911949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131220, while the sum is 44.

The square root of 353911949 is about 18812.5476477802. The cubic root of 353911949 is about 707.3457393622.

The spelling of 353911949 in words is "three hundred fifty-three million, nine hundred eleven thousand, nine hundred forty-nine".