1350454909 has 2 divisors, whose sum is σ = 1350454910. Its totient is φ = 1350454908.

The previous prime is 1350454879. The next prime is 1350454951. The reversal of 1350454909 is 9094540531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1070729284 + 279725625 = 32722^2 + 16725^2 .

It is a cyclic number.

It is not a de Polignac number, because 1350454909 - 2¹⁷ = 1350323837 is a prime.

It is a super-4 number, since 4×1350454909⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1350454969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675227454 + 675227455.

It is an arithmetic number, because the mean of its divisors is an integer number (675227455).

Almost surely, 2^1350454909 is an apocalyptic number.

It is an amenable number.

1350454909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350454909 is an equidigital number, since it uses as much as digits as its factorization.

1350454909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 1350454909 is about 36748.5361477161. The cubic root of 1350454909 is about 1105.3335763238. Note that the first 3 decimals are identical.

The spelling of 1350454909 in words is "one billion, three hundred fifty million, four hundred fifty-four thousand, nine hundred nine".