334452720389 has 2 divisors, whose sum is σ = 334452720390. Its totient is φ = 334452720388.

The previous prime is 334452720367. The next prime is 334452720391. The reversal of 334452720389 is 983027254433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310295789764 + 24156930625 = 557042^2 + 155425^2 .

It is a cyclic number.

It is not a de Polignac number, because 334452720389 - 2²⁸ = 334184284933 is a prime.

It is a super-2 number, since 2×334452720389² (a number of 24 digits) contains 22 as substring.

Together with 334452720391, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (334452720319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167226360194 + 167226360195.

It is an arithmetic number, because the mean of its divisors is an integer number (167226360195).

Almost surely, 2^334452720389 is an apocalyptic number.

It is an amenable number.

334452720389 is a deficient number, since it is larger than the sum of its proper divisors (1).

334452720389 is an equidigital number, since it uses as much as digits as its factorization.

334452720389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 334452720389 in words is "three hundred thirty-four billion, four hundred fifty-two million, seven hundred twenty thousand, three hundred eighty-nine".