478653626201 has 4 divisors (see below), whose sum is σ = 478702048512. Its totient is φ = 478605203892.

The previous prime is 478653626189. The next prime is 478653626233. The reversal of 478653626201 is 102626356874.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478653626201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 478653626201.

It is not an unprimeable number, because it can be changed into a prime (478653626251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24196325 + ... + 24216098.

It is an arithmetic number, because the mean of its divisors is an integer number (119675512128).

Almost surely, 2^478653626201 is an apocalyptic number.

It is an amenable number.

478653626201 is a deficient number, since it is larger than the sum of its proper divisors (48422311).

478653626201 is an equidigital number, since it uses as much as digits as its factorization.

478653626201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48422310.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 478653626201 in words is "four hundred seventy-eight billion, six hundred fifty-three million, six hundred twenty-six thousand, two hundred one".