153468409 has 2 divisors, whose sum is σ = 153468410. Its totient is φ = 153468408.

The previous prime is 153468407. The next prime is 153468421. The reversal of 153468409 is 904864351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119421184 + 34047225 = 10928^2 + 5835^2 .

It is a cyclic number.

It is not a de Polignac number, because 153468409 - 2¹ = 153468407 is a prime.

Together with 153468407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (153468407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76734204 + 76734205.

It is an arithmetic number, because the mean of its divisors is an integer number (76734205).

Almost surely, 2^153468409 is an apocalyptic number.

It is an amenable number.

153468409 is a deficient number, since it is larger than the sum of its proper divisors (1).

153468409 is an equidigital number, since it uses as much as digits as its factorization.

153468409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 153468409 is about 12388.2367187586. The cubic root of 153468409 is about 535.3933799969.

The spelling of 153468409 in words is "one hundred fifty-three million, four hundred sixty-eight thousand, four hundred nine".