1469456609 has 2 divisors, whose sum is σ = 1469456610. Its totient is φ = 1469456608.

The previous prime is 1469456567. The next prime is 1469456621. The reversal of 1469456609 is 9066549641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1305232384 + 164224225 = 36128^2 + 12815^2 .

It is an emirp because it is prime and its reverse (9066549641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1469456609 - 2¹² = 1469452513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1469456629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 734728304 + 734728305.

It is an arithmetic number, because the mean of its divisors is an integer number (734728305).

Almost surely, 2^1469456609 is an apocalyptic number.

It is an amenable number.

1469456609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1469456609 is an equidigital number, since it uses as much as digits as its factorization.

1469456609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The square root of 1469456609 is about 38333.4920011209. The cubic root of 1469456609 is about 1136.8912452411.

The spelling of 1469456609 in words is "one billion, four hundred sixty-nine million, four hundred fifty-six thousand, six hundred nine".