1449275573 has 2 divisors, whose sum is σ = 1449275574. Its totient is φ = 1449275572.

The previous prime is 1449275561. The next prime is 1449275617. The reversal of 1449275573 is 3755729441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1322195044 + 127080529 = 36362^2 + 11273^2 .

It is a cyclic number.

It is not a de Polignac number, because 1449275573 - 2⁴ = 1449275557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1449275173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724637786 + 724637787.

It is an arithmetic number, because the mean of its divisors is an integer number (724637787).

Almost surely, 2^1449275573 is an apocalyptic number.

It is an amenable number.

1449275573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449275573 is an equidigital number, since it uses as much as digits as its factorization.

1449275573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 47.

The square root of 1449275573 is about 38069.3521484146. The cubic root of 1449275573 is about 1131.6626717897.

The spelling of 1449275573 in words is "one billion, four hundred forty-nine million, two hundred seventy-five thousand, five hundred seventy-three".