334513649 has 2 divisors, whose sum is σ = 334513650. Its totient is φ = 334513648.

The previous prime is 334513631. The next prime is 334513661. The reversal of 334513649 is 946315433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309513649 + 25000000 = 17593^2 + 5000^2 .

It is a cyclic number.

It is not a de Polignac number, because 334513649 - 2²⁰ = 333465073 is a prime.

It is a super-2 number, since 2×334513649² = 223798762734590402, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (334516649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167256824 + 167256825.

It is an arithmetic number, because the mean of its divisors is an integer number (167256825).

Almost surely, 2^334513649 is an apocalyptic number.

It is an amenable number.

334513649 is a deficient number, since it is larger than the sum of its proper divisors (1).

334513649 is an equidigital number, since it uses as much as digits as its factorization.

334513649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 38.

The square root of 334513649 is about 18289.7142951988. The cubic root of 334513649 is about 694.1786954683.

The spelling of 334513649 in words is "three hundred thirty-four million, five hundred thirteen thousand, six hundred forty-nine".