1430441681 has 2 divisors, whose sum is σ = 1430441682. Its totient is φ = 1430441680.

The previous prime is 1430441653. The next prime is 1430441699. The reversal of 1430441681 is 1861440341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1362791056 + 67650625 = 36916^2 + 8225^2 .

It is an emirp because it is prime and its reverse (1861440341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1430441681 - 2²² = 1426247377 is a prime.

It is a super-2 number, since 2×1430441681² = 4092326805484211522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1430441641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715220840 + 715220841.

It is an arithmetic number, because the mean of its divisors is an integer number (715220841).

Almost surely, 2^1430441681 is an apocalyptic number.

It is an amenable number.

1430441681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430441681 is an equidigital number, since it uses as much as digits as its factorization.

1430441681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 1430441681 is about 37821.1803226711. The cubic root of 1430441681 is about 1126.7391519467.

The spelling of 1430441681 in words is "one billion, four hundred thirty million, four hundred forty-one thousand, six hundred eighty-one".