334065643 has 2 divisors, whose sum is σ = 334065644. Its totient is φ = 334065642.

The previous prime is 334065583. The next prime is 334065649. The reversal of 334065643 is 346560433.

It is a strong prime.

It is an emirp because it is prime and its reverse (346560433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 334065643 - 2¹⁷ = 333934571 is a prime.

It is a super-2 number, since 2×334065643² = 223199707666006898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 334065599 and 334065608.

It is not a weakly prime, because it can be changed into another prime (334065649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167032821 + 167032822.

It is an arithmetic number, because the mean of its divisors is an integer number (167032822).

Almost surely, 2^334065643 is an apocalyptic number.

334065643 is a deficient number, since it is larger than the sum of its proper divisors (1).

334065643 is an equidigital number, since it uses as much as digits as its factorization.

334065643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 34.

The square root of 334065643 is about 18277.4627068420. The cubic root of 334065643 is about 693.8686581335.

The spelling of 334065643 in words is "three hundred thirty-four million, sixty-five thousand, six hundred forty-three".