417969161 has 4 divisors (see below), whose sum is σ = 418900500. Its totient is φ = 417037824.

The previous prime is 417969137. The next prime is 417969229. The reversal of 417969161 is 161969714.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 263737600 + 154231561 = 16240^2 + 12419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-417969161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (417969121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464996 + ... + 465893.

It is an arithmetic number, because the mean of its divisors is an integer number (104725125).

Almost surely, 2^417969161 is an apocalyptic number.

It is an amenable number.

417969161 is a deficient number, since it is larger than the sum of its proper divisors (931339).

417969161 is an equidigital number, since it uses as much as digits as its factorization.

417969161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931338.

The product of its digits is 81648, while the sum is 44.

The square root of 417969161 is about 20444.2940939520. The cubic root of 417969161 is about 747.6782487857.

The spelling of 417969161 in words is "four hundred seventeen million, nine hundred sixty-nine thousand, one hundred sixty-one".