478010825639 has 2 divisors, whose sum is σ = 478010825640. Its totient is φ = 478010825638.

The previous prime is 478010825549. The next prime is 478010825641. The reversal of 478010825639 is 936528010874.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478010825639 is a prime.

Together with 478010825641, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478010827639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239005412819 + 239005412820.

It is an arithmetic number, because the mean of its divisors is an integer number (239005412820).

It is a 1-persistent number, because it is pandigital, but 2⋅478010825639 = 956021651278 is not.

Almost surely, 2^478010825639 is an apocalyptic number.

478010825639 is a deficient number, since it is larger than the sum of its proper divisors (1).

478010825639 is an equidigital number, since it uses as much as digits as its factorization.

478010825639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 478010825639 in words is "four hundred seventy-eight billion, ten million, eight hundred twenty-five thousand, six hundred thirty-nine".