478688250469 has 16 divisors (see below), whose sum is σ = 567630866880. Its totient is φ = 397942248960.

The previous prime is 478688250463. The next prime is 478688250473. The reversal of 478688250469 is 964052886874.

It is a cyclic number.

It is not a de Polignac number, because 478688250469 - 2⁹ = 478688249957 is a prime.

It is a super-2 number, since 2×478688250469² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478688250463) 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 15 ways as a sum of consecutive naturals, for example, 15627084 + ... + 15657685.

It is an arithmetic number, because the mean of its divisors is an integer number (35476929180).

Almost surely, 2^478688250469 is an apocalyptic number.

It is an amenable number.

478688250469 is a deficient number, since it is larger than the sum of its proper divisors (88942616411).

478688250469 is a wasteful number, since it uses less digits than its factorization.

478688250469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31284900.

The product of its (nonzero) digits is 185794560, while the sum is 67.

The spelling of 478688250469 in words is "four hundred seventy-eight billion, six hundred eighty-eight million, two hundred fifty thousand, four hundred sixty-nine".