153669469 has 2 divisors, whose sum is σ = 153669470. Its totient is φ = 153669468.

The previous prime is 153669421. The next prime is 153669493. The reversal of 153669469 is 964966351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127012900 + 26656569 = 11270^2 + 5163^2 .

It is a cyclic number.

It is not a de Polignac number, because 153669469 - 2¹⁷ = 153538397 is a prime.

It is a super-2 number, since 2×153669469² = 47228611405483922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153619469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76834734 + 76834735.

It is an arithmetic number, because the mean of its divisors is an integer number (76834735).

Almost surely, 2^153669469 is an apocalyptic number.

It is an amenable number.

153669469 is a deficient number, since it is larger than the sum of its proper divisors (1).

153669469 is an equidigital number, since it uses as much as digits as its factorization.

153669469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 49.

The square root of 153669469 is about 12396.3490189652. The cubic root of 153669469 is about 535.6270854623.

The spelling of 153669469 in words is "one hundred fifty-three million, six hundred sixty-nine thousand, four hundred sixty-nine".