1449495809089 has 2 divisors, whose sum is σ = 1449495809090. Its totient is φ = 1449495809088.

The previous prime is 1449495809053. The next prime is 1449495809141. The reversal of 1449495809089 is 9809085949441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 903197434689 + 546298374400 = 950367^2 + 739120^2 .

It is a cyclic number.

It is not a de Polignac number, because 1449495809089 - 2²¹ = 1449493711937 is a prime.

It is a super-4 number, since 4×1449495809089⁴ (a number of 50 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (1449495809009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724747904544 + 724747904545.

It is an arithmetic number, because the mean of its divisors is an integer number (724747904545).

Almost surely, 2^{1449495809089} is an apocalyptic number.

It is an amenable number.

1449495809089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449495809089 is an equidigital number, since it uses as much as digits as its factorization.

1449495809089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134369280, while the sum is 70.

The spelling of 1449495809089 in words is "one trillion, four hundred forty-nine billion, four hundred ninety-five million, eight hundred nine thousand, eighty-nine".