1346641427 has 2 divisors, whose sum is σ = 1346641428. Its totient is φ = 1346641426.

The previous prime is 1346641423. The next prime is 1346641447. The reversal of 1346641427 is 7241466431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1346641427 - 2² = 1346641423 is a prime.

It is not a weakly prime, because it can be changed into another prime (1346641423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673320713 + 673320714.

It is an arithmetic number, because the mean of its divisors is an integer number (673320714).

Almost surely, 2^1346641427 is an apocalyptic number.

1346641427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1346641427 is an equidigital number, since it uses as much as digits as its factorization.

1346641427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 38.

The square root of 1346641427 is about 36696.6132906022. The cubic root of 1346641427 is about 1104.2921633959.

The spelling of 1346641427 in words is "one billion, three hundred forty-six million, six hundred forty-one thousand, four hundred twenty-seven".