349596723149 has 2 divisors, whose sum is σ = 349596723150. Its totient is φ = 349596723148.

The previous prime is 349596723103. The next prime is 349596723173. The reversal of 349596723149 is 941327695943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229745745124 + 119850978025 = 479318^2 + 346195^2 .

It is a cyclic number.

It is not a de Polignac number, because 349596723149 - 2²⁰ = 349595674573 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 349596723091 and 349596723100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349596723449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174798361574 + 174798361575.

It is an arithmetic number, because the mean of its divisors is an integer number (174798361575).

Almost surely, 2^349596723149 is an apocalyptic number.

It is an amenable number.

349596723149 is a deficient number, since it is larger than the sum of its proper divisors (1).

349596723149 is an equidigital number, since it uses as much as digits as its factorization.

349596723149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44089920, while the sum is 62.

The spelling of 349596723149 in words is "three hundred forty-nine billion, five hundred ninety-six million, seven hundred twenty-three thousand, one hundred forty-nine".