349870033 has 2 divisors, whose sum is σ = 349870034. Its totient is φ = 349870032.

The previous prime is 349869967. The next prime is 349870051. The reversal of 349870033 is 330078943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236298384 + 113571649 = 15372^2 + 10657^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349870033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 349869974 and 349870001.

It is not a weakly prime, because it can be changed into another prime (349870133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174935016 + 174935017.

It is an arithmetic number, because the mean of its divisors is an integer number (174935017).

Almost surely, 2^349870033 is an apocalyptic number.

It is an amenable number.

349870033 is a deficient number, since it is larger than the sum of its proper divisors (1).

349870033 is an equidigital number, since it uses as much as digits as its factorization.

349870033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 349870033 is about 18704.8130971683. The cubic root of 349870033 is about 704.6426322857.

The spelling of 349870033 in words is "three hundred forty-nine million, eight hundred seventy thousand, thirty-three".