469859127449 has 4 divisors (see below), whose sum is σ = 469945488180. Its totient is φ = 469772766720.

The previous prime is 469859127427. The next prime is 469859127499. The reversal of 469859127449 is 944721958964.

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 254855348224 + 215003779225 = 504832^2 + 463685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-469859127449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (469859127499) 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, 43172204 + ... + 43183085.

It is an arithmetic number, because the mean of its divisors is an integer number (117486372045).

Almost surely, 2^469859127449 is an apocalyptic number.

It is an amenable number.

469859127449 is a deficient number, since it is larger than the sum of its proper divisors (86360731).

469859127449 is an equidigital number, since it uses as much as digits as its factorization.

469859127449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86360730.

The product of its digits is 156764160, while the sum is 68.

The spelling of 469859127449 in words is "four hundred sixty-nine billion, eight hundred fifty-nine million, one hundred twenty-seven thousand, four hundred forty-nine".