227469666409 has 2 divisors, whose sum is σ = 227469666410. Its totient is φ = 227469666408.

The previous prime is 227469666367. The next prime is 227469666469. The reversal of 227469666409 is 904666964722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190033221184 + 37436445225 = 435928^2 + 193485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227469666409 is a prime.

It is not a weakly prime, because it can be changed into another prime (227469666469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113734833204 + 113734833205.

It is an arithmetic number, because the mean of its divisors is an integer number (113734833205).

Almost surely, 2^227469666409 is an apocalyptic number.

It is an amenable number.

227469666409 is a deficient number, since it is larger than the sum of its proper divisors (1).

227469666409 is an equidigital number, since it uses as much as digits as its factorization.

227469666409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47029248, while the sum is 61.

The spelling of 227469666409 in words is "two hundred twenty-seven billion, four hundred sixty-nine million, six hundred sixty-six thousand, four hundred nine".