1451342449 has 2 divisors, whose sum is σ = 1451342450. Its totient is φ = 1451342448.

The previous prime is 1451342443. The next prime is 1451342467. The reversal of 1451342449 is 9442431541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1131111424 + 320231025 = 33632^2 + 17895^2 .

It is a cyclic number.

It is not a de Polignac number, because 1451342449 - 2³ = 1451342441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1451342441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725671224 + 725671225.

It is an arithmetic number, because the mean of its divisors is an integer number (725671225).

Almost surely, 2^1451342449 is an apocalyptic number.

It is an amenable number.

1451342449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451342449 is an equidigital number, since it uses as much as digits as its factorization.

1451342449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 37.

The square root of 1451342449 is about 38096.4886702174. The cubic root of 1451342449 is about 1132.2003876481.

The spelling of 1451342449 in words is "one billion, four hundred fifty-one million, three hundred forty-two thousand, four hundred forty-nine".