613990367 has 2 divisors, whose sum is σ = 613990368. Its totient is φ = 613990366.

The previous prime is 613990361. The next prime is 613990369. The reversal of 613990367 is 763099316.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 613990367 - 2¹² = 613986271 is a prime.

Together with 613990369, 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 (613990361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306995183 + 306995184.

It is an arithmetic number, because the mean of its divisors is an integer number (306995184).

Almost surely, 2^613990367 is an apocalyptic number.

613990367 is a deficient number, since it is larger than the sum of its proper divisors (1).

613990367 is an equidigital number, since it uses as much as digits as its factorization.

613990367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 183708, while the sum is 44.

The square root of 613990367 is about 24778.8290078446. The cubic root of 613990367 is about 849.9378810429.

The spelling of 613990367 in words is "six hundred thirteen million, nine hundred ninety thousand, three hundred sixty-seven".