470138569 has 2 divisors, whose sum is σ = 470138570. Its totient is φ = 470138568.

The previous prime is 470138497. The next prime is 470138593. The reversal of 470138569 is 965831074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252428544 + 217710025 = 15888^2 + 14755^2 .

It is a cyclic number.

It is not a de Polignac number, because 470138569 - 2⁷ = 470138441 is a prime.

It is a super-2 number, since 2×470138569² = 442060548122735522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (470138369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235069284 + 235069285.

It is an arithmetic number, because the mean of its divisors is an integer number (235069285).

Almost surely, 2^470138569 is an apocalyptic number.

It is an amenable number.

470138569 is a deficient number, since it is larger than the sum of its proper divisors (1).

470138569 is an equidigital number, since it uses as much as digits as its factorization.

470138569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 470138569 is about 21682.6790088310. The cubic root of 470138569 is about 777.5744115325.

The spelling of 470138569 in words is "four hundred seventy million, one hundred thirty-eight thousand, five hundred sixty-nine".