1345766579 has 2 divisors, whose sum is σ = 1345766580. Its totient is φ = 1345766578.

The previous prime is 1345766531. The next prime is 1345766581. The reversal of 1345766579 is 9756675431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1345766579 is a prime.

It is a super-2 number, since 2×1345766579² = 3622175370306726482, which contains 22 as substring.

Together with 1345766581, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1345766579.

It is not a weakly prime, because it can be changed into another prime (1345765579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672883289 + 672883290.

It is an arithmetic number, because the mean of its divisors is an integer number (672883290).

Almost surely, 2^1345766579 is an apocalyptic number.

1345766579 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345766579 is an equidigital number, since it uses as much as digits as its factorization.

1345766579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4762800, while the sum is 53.

The square root of 1345766579 is about 36684.6913439380. The cubic root of 1345766579 is about 1104.0529764692.

The spelling of 1345766579 in words is "one billion, three hundred forty-five million, seven hundred sixty-six thousand, five hundred seventy-nine".