47873122013 has 2 divisors, whose sum is σ = 47873122014. Its totient is φ = 47873122012.

The previous prime is 47873121979. The next prime is 47873122027. The reversal of 47873122013 is 31022137874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38039821444 + 9833300569 = 195038^2 + 99163^2 .

It is a cyclic number.

It is not a de Polignac number, because 47873122013 - 2¹² = 47873117917 is a prime.

It is a super-2 number, since 2×47873122013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47873121013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23936561006 + 23936561007.

It is an arithmetic number, because the mean of its divisors is an integer number (23936561007).

Almost surely, 2^47873122013 is an apocalyptic number.

It is an amenable number.

47873122013 is a deficient number, since it is larger than the sum of its proper divisors (1).

47873122013 is an equidigital number, since it uses as much as digits as its factorization.

47873122013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 38.

Adding to 47873122013 its reverse (31022137874), we get a palindrome (78895259887).

The spelling of 47873122013 in words is "forty-seven billion, eight hundred seventy-three million, one hundred twenty-two thousand, thirteen".