1444552440997 has 2 divisors, whose sum is σ = 1444552440998. Its totient is φ = 1444552440996.

The previous prime is 1444552440911. The next prime is 1444552441037. The reversal of 1444552440997 is 7990442554441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1108284668001 + 336267772996 = 1052751^2 + 579886^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444552440997 - 2⁷ = 1444552440869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444552440907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722276220498 + 722276220499.

It is an arithmetic number, because the mean of its divisors is an integer number (722276220499).

Almost surely, 2^{1444552440997} is an apocalyptic number.

It is an amenable number.

1444552440997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444552440997 is an equidigital number, since it uses as much as digits as its factorization.

1444552440997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29030400, while the sum is 58.

The spelling of 1444552440997 in words is "one trillion, four hundred forty-four billion, five hundred fifty-two million, four hundred forty thousand, nine hundred ninety-seven".