349142029 has 2 divisors, whose sum is σ = 349142030. Its totient is φ = 349142028.

The previous prime is 349142009. The next prime is 349142041. The reversal of 349142029 is 920241943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 336906025 + 12236004 = 18355^2 + 3498^2 .

It is a cyclic number.

It is not a de Polignac number, because 349142029 - 2⁵ = 349141997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 349141985 and 349142003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349142009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174571014 + 174571015.

It is an arithmetic number, because the mean of its divisors is an integer number (174571015).

Almost surely, 2^349142029 is an apocalyptic number.

It is an amenable number.

349142029 is a deficient number, since it is larger than the sum of its proper divisors (1).

349142029 is an equidigital number, since it uses as much as digits as its factorization.

349142029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 349142029 is about 18685.3426246350. The cubic root of 349142029 is about 704.1535565144.

The spelling of 349142029 in words is "three hundred forty-nine million, one hundred forty-two thousand, twenty-nine".