1412646581 has 2 divisors, whose sum is σ = 1412646582. Its totient is φ = 1412646580.

The previous prime is 1412646563. The next prime is 1412646589. The reversal of 1412646581 is 1856462141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1131245956 + 281400625 = 33634^2 + 16775^2 .

It is an emirp because it is prime and its reverse (1856462141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1412646581 - 2³⁰ = 338904757 is a prime.

It is a super-2 number, since 2×1412646581² = 3991140725621979122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1412646589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706323290 + 706323291.

It is an arithmetic number, because the mean of its divisors is an integer number (706323291).

Almost surely, 2^1412646581 is an apocalyptic number.

It is an amenable number.

1412646581 is a deficient number, since it is larger than the sum of its proper divisors (1).

1412646581 is an equidigital number, since it uses as much as digits as its factorization.

1412646581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 38.

The square root of 1412646581 is about 37585.1909799591. The cubic root of 1412646581 is about 1122.0473237835.

The spelling of 1412646581 in words is "one billion, four hundred twelve million, six hundred forty-six thousand, five hundred eighty-one".