1430665822673 has 2 divisors, whose sum is σ = 1430665822674. Its totient is φ = 1430665822672.

The previous prime is 1430665822669. The next prime is 1430665822727. The reversal of 1430665822673 is 3762285660341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1429060057489 + 1605765184 = 1195433^2 + 40072^2 .

It is a cyclic number.

It is not a de Polignac number, because 1430665822673 - 2² = 1430665822669 is a prime.

It is a super-2 number, since 2×1430665822673² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1430665822273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715332911336 + 715332911337.

It is an arithmetic number, because the mean of its divisors is an integer number (715332911337).

Almost surely, 2^{1430665822673} is an apocalyptic number.

It is an amenable number.

1430665822673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430665822673 is an equidigital number, since it uses as much as digits as its factorization.

1430665822673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 1430665822673 in words is "one trillion, four hundred thirty billion, six hundred sixty-five million, eight hundred twenty-two thousand, six hundred seventy-three".