1450286821 has 2 divisors, whose sum is σ = 1450286822. Its totient is φ = 1450286820.

The previous prime is 1450286801. The next prime is 1450286833. The reversal of 1450286821 is 1286820541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1024896196 + 425390625 = 32014^2 + 20625^2 .

It is a cyclic number.

It is not a de Polignac number, because 1450286821 - 2⁹ = 1450286309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1450286801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725143410 + 725143411.

It is an arithmetic number, because the mean of its divisors is an integer number (725143411).

Almost surely, 2^1450286821 is an apocalyptic number.

It is an amenable number.

1450286821 is a deficient number, since it is larger than the sum of its proper divisors (1).

1450286821 is an equidigital number, since it uses as much as digits as its factorization.

1450286821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 1450286821 is about 38082.6314873329. The cubic root of 1450286821 is about 1131.9258206271.

The spelling of 1450286821 in words is "one billion, four hundred fifty million, two hundred eighty-six thousand, eight hundred twenty-one".