606091439 has 2 divisors, whose sum is σ = 606091440. Its totient is φ = 606091438.

The previous prime is 606091427. The next prime is 606091441. The reversal of 606091439 is 934190606.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606091439 is a prime.

Together with 606091441, 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 (606091489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303045719 + 303045720.

It is an arithmetic number, because the mean of its divisors is an integer number (303045720).

Almost surely, 2^606091439 is an apocalyptic number.

606091439 is a deficient number, since it is larger than the sum of its proper divisors (1).

606091439 is an equidigital number, since it uses as much as digits as its factorization.

606091439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 606091439 is about 24618.9244078615. The cubic root of 606091439 is about 846.2773482548.

The spelling of 606091439 in words is "six hundred six million, ninety-one thousand, four hundred thirty-nine".