48571904813 has 2 divisors, whose sum is σ = 48571904814. Its totient is φ = 48571904812.

The previous prime is 48571904729. The next prime is 48571904831. The reversal of 48571904813 is 31840917584.

It is a happy number.

Together with next prime (48571904831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40831072489 + 7740832324 = 202067^2 + 87982^2 .

It is a cyclic number.

It is not a de Polignac number, because 48571904813 - 2²⁴ = 48555127597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48571904833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24285952406 + 24285952407.

It is an arithmetic number, because the mean of its divisors is an integer number (24285952407).

Almost surely, 2^48571904813 is an apocalyptic number.

It is an amenable number.

48571904813 is a deficient number, since it is larger than the sum of its proper divisors (1).

48571904813 is an equidigital number, since it uses as much as digits as its factorization.

48571904813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 48571904813 in words is "forty-eight billion, five hundred seventy-one million, nine hundred four thousand, eight hundred thirteen".