1454665409 has 2 divisors, whose sum is σ = 1454665410. Its totient is φ = 1454665408.

The previous prime is 1454665343. The next prime is 1454665423. The reversal of 1454665409 is 9045664541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1425289009 + 29376400 = 37753^2 + 5420^2 .

It is a cyclic number.

It is not a de Polignac number, because 1454665409 - 2¹⁶ = 1454599873 is a prime.

It is a super-2 number, since 2×1454665409² = 4232102904282274562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1454665409.

It is not a weakly prime, because it can be changed into another prime (1454665909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727332704 + 727332705.

It is an arithmetic number, because the mean of its divisors is an integer number (727332705).

Almost surely, 2^1454665409 is an apocalyptic number.

It is an amenable number.

1454665409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1454665409 is an equidigital number, since it uses as much as digits as its factorization.

1454665409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 1454665409 is about 38140.0761535684. The cubic root of 1454665409 is about 1133.0638156016.

The spelling of 1454665409 in words is "one billion, four hundred fifty-four million, six hundred sixty-five thousand, four hundred nine".