272431469 has 2 divisors, whose sum is σ = 272431470. Its totient is φ = 272431468.

The previous prime is 272431463. The next prime is 272431483. The reversal of 272431469 is 964134272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209149444 + 63282025 = 14462^2 + 7955^2 .

It is a cyclic number.

It is not a de Polignac number, because 272431469 - 2¹² = 272427373 is a prime.

It is a super-2 number, since 2×272431469² = 148437810602995922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272431463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136215734 + 136215735.

It is an arithmetic number, because the mean of its divisors is an integer number (136215735).

Almost surely, 2^272431469 is an apocalyptic number.

It is an amenable number.

272431469 is a deficient number, since it is larger than the sum of its proper divisors (1).

272431469 is an equidigital number, since it uses as much as digits as its factorization.

272431469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 272431469 is about 16505.4981445578. The cubic root of 272431469 is about 648.2647753577.

The spelling of 272431469 in words is "two hundred seventy-two million, four hundred thirty-one thousand, four hundred sixty-nine".