478653283139 has 2 divisors, whose sum is σ = 478653283140. Its totient is φ = 478653283138.

The previous prime is 478653283133. The next prime is 478653283169. The reversal of 478653283139 is 931382356874.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 478653283139 - 2⁴ = 478653283123 is a prime.

It is not a weakly prime, because it can be changed into another prime (478653283133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239326641569 + 239326641570.

It is an arithmetic number, because the mean of its divisors is an integer number (239326641570).

Almost surely, 2^478653283139 is an apocalyptic number.

478653283139 is a deficient number, since it is larger than the sum of its proper divisors (1).

478653283139 is an equidigital number, since it uses as much as digits as its factorization.

478653283139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26127360, while the sum is 59.

The spelling of 478653283139 in words is "four hundred seventy-eight billion, six hundred fifty-three million, two hundred eighty-three thousand, one hundred thirty-nine".