47966629813 has 2 divisors, whose sum is σ = 47966629814. Its totient is φ = 47966629812.

The previous prime is 47966629787. The next prime is 47966629897. The reversal of 47966629813 is 31892666974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27389588004 + 20577041809 = 165498^2 + 143447^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47966629813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47966629013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23983314906 + 23983314907.

It is an arithmetic number, because the mean of its divisors is an integer number (23983314907).

Almost surely, 2^47966629813 is an apocalyptic number.

It is an amenable number.

47966629813 is a deficient number, since it is larger than the sum of its proper divisors (1).

47966629813 is an equidigital number, since it uses as much as digits as its factorization.

47966629813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23514624, while the sum is 61.

The spelling of 47966629813 in words is "forty-seven billion, nine hundred sixty-six million, six hundred twenty-nine thousand, eight hundred thirteen".