478717643029 has 2 divisors, whose sum is σ = 478717643030. Its totient is φ = 478717643028.

The previous prime is 478717643017. The next prime is 478717643051. The reversal of 478717643029 is 920346717874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 478711772100 + 5870929 = 691890^2 + 2423^2 .

It is a cyclic number.

It is not a de Polignac number, because 478717643029 - 2⁹ = 478717642517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478717643329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239358821514 + 239358821515.

It is an arithmetic number, because the mean of its divisors is an integer number (239358821515).

Almost surely, 2^478717643029 is an apocalyptic number.

It is an amenable number.

478717643029 is a deficient number, since it is larger than the sum of its proper divisors (1).

478717643029 is an equidigital number, since it uses as much as digits as its factorization.

478717643029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14224896, while the sum is 58.

The spelling of 478717643029 in words is "four hundred seventy-eight billion, seven hundred seventeen million, six hundred forty-three thousand, twenty-nine".