349129026049 has 2 divisors, whose sum is σ = 349129026050. Its totient is φ = 349129026048.

The previous prime is 349129026041. The next prime is 349129026053. The reversal of 349129026049 is 940620921943.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 333512025025 + 15617001024 = 577505^2 + 124968^2 .

It is a cyclic number.

It is not a de Polignac number, because 349129026049 - 2³ = 349129026041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 349129025993 and 349129026011.

It is not a weakly prime, because it can be changed into another prime (349129026041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174564513024 + 174564513025.

It is an arithmetic number, because the mean of its divisors is an integer number (174564513025).

Almost surely, 2^349129026049 is an apocalyptic number.

It is an amenable number.

349129026049 is a deficient number, since it is larger than the sum of its proper divisors (1).

349129026049 is an equidigital number, since it uses as much as digits as its factorization.

349129026049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 49.

The spelling of 349129026049 in words is "three hundred forty-nine billion, one hundred twenty-nine million, twenty-six thousand, forty-nine".