349541779 has 2 divisors, whose sum is σ = 349541780. Its totient is φ = 349541778.

The previous prime is 349541767. The next prime is 349541789. The reversal of 349541779 is 977145943.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349541779 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (349541729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174770889 + 174770890.

It is an arithmetic number, because the mean of its divisors is an integer number (174770890).

Almost surely, 2^349541779 is an apocalyptic number.

349541779 is a deficient number, since it is larger than the sum of its proper divisors (1).

349541779 is an equidigital number, since it uses as much as digits as its factorization.

349541779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 49.

The square root of 349541779 is about 18696.0364516119. The cubic root of 349541779 is about 704.4221941081.

The spelling of 349541779 in words is "three hundred forty-nine million, five hundred forty-one thousand, seven hundred seventy-nine".