1443400000997 has 2 divisors, whose sum is σ = 1443400000998. Its totient is φ = 1443400000996.

The previous prime is 1443400000979. The next prime is 1443400001027. The reversal of 1443400000997 is 7990000043441.

Together with previous prime (1443400000979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1302335157601 + 141064843396 = 1141199^2 + 375586^2 .

It is a cyclic number.

It is not a de Polignac number, because 1443400000997 - 2⁸ = 1443400000741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1443400000927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721700000498 + 721700000499.

It is an arithmetic number, because the mean of its divisors is an integer number (721700000499).

Almost surely, 2^{1443400000997} is an apocalyptic number.

It is an amenable number.

1443400000997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443400000997 is an equidigital number, since it uses as much as digits as its factorization.

1443400000997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 1443400000997 in words is "one trillion, four hundred forty-three billion, four hundred million, nine hundred ninety-seven", and thus it is an aban number.