417665942449 has 4 divisors (see below), whose sum is σ = 477332505664. Its totient is φ = 357999379236.

The previous prime is 417665942431. The next prime is 417665942459. The reversal of 417665942449 is 944249566714.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 944249566714 = 2 ⋅472124783357.

It is a cyclic number.

It is not a de Polignac number, because 417665942449 - 2¹⁷ = 417665811377 is a prime.

It is a super-2 number, since 2×417665942449² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (417665942459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29833281597 + ... + 29833281610.

It is an arithmetic number, because the mean of its divisors is an integer number (119333126416).

Almost surely, 2^417665942449 is an apocalyptic number.

It is an amenable number.

417665942449 is a deficient number, since it is larger than the sum of its proper divisors (59666563215).

417665942449 is an equidigital number, since it uses as much as digits as its factorization.

417665942449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59666563214.

The product of its digits is 52254720, while the sum is 61.

The spelling of 417665942449 in words is "four hundred seventeen billion, six hundred sixty-five million, nine hundred forty-two thousand, four hundred forty-nine".