1073269409 has 2 divisors, whose sum is σ = 1073269410. Its totient is φ = 1073269408.

The previous prime is 1073269399. The next prime is 1073269489. The reversal of 1073269409 is 9049623701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 935136400 + 138133009 = 30580^2 + 11753^2 .

It is a cyclic number.

It is not a de Polignac number, because 1073269409 - 2¹² = 1073265313 is a prime.

It is not a weakly prime, because it can be changed into another prime (1073269489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536634704 + 536634705.

It is an arithmetic number, because the mean of its divisors is an integer number (536634705).

Almost surely, 2^1073269409 is an apocalyptic number.

It is an amenable number.

1073269409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1073269409 is an equidigital number, since it uses as much as digits as its factorization.

1073269409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 1073269409 is about 32760.7907261104. The cubic root of 1073269409 is about 1023.8498012861.

The spelling of 1073269409 in words is "one billion, seventy-three million, two hundred sixty-nine thousand, four hundred nine".