478938096149 has 2 divisors, whose sum is σ = 478938096150. Its totient is φ = 478938096148.

The previous prime is 478938096107. The next prime is 478938096151. The reversal of 478938096149 is 941690839874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 475844734225 + 3093361924 = 689815^2 + 55618^2 .

It is a cyclic number.

It is not a de Polignac number, because 478938096149 - 2³² = 474643128853 is a prime.

Together with 478938096151, 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 (478938066149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239469048074 + 239469048075.

It is an arithmetic number, because the mean of its divisors is an integer number (239469048075).

Almost surely, 2^478938096149 is an apocalyptic number.

It is an amenable number.

478938096149 is a deficient number, since it is larger than the sum of its proper divisors (1).

478938096149 is an equidigital number, since it uses as much as digits as its factorization.

478938096149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94058496, while the sum is 68.

The spelling of 478938096149 in words is "four hundred seventy-eight billion, nine hundred thirty-eight million, ninety-six thousand, one hundred forty-nine".