1450739869 has 2 divisors, whose sum is σ = 1450739870. Its totient is φ = 1450739868.

The previous prime is 1450739831. The next prime is 1450739887. The reversal of 1450739869 is 9689370541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1238688025 + 212051844 = 35195^2 + 14562^2 .

It is a cyclic number.

It is not a de Polignac number, because 1450739869 - 2¹⁹ = 1450215581 is a prime.

It is a super-2 number, since 2×1450739869² = 4209292335012274322, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1450731869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725369934 + 725369935.

It is an arithmetic number, because the mean of its divisors is an integer number (725369935).

Almost surely, 2^1450739869 is an apocalyptic number.

It is an amenable number.

1450739869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1450739869 is an equidigital number, since it uses as much as digits as its factorization.

1450739869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 1450739869 is about 38088.5792462780. The cubic root of 1450739869 is about 1132.0436739446.

The spelling of 1450739869 in words is "one billion, four hundred fifty million, seven hundred thirty-nine thousand, eight hundred sixty-nine".