47767142461 has 2 divisors, whose sum is σ = 47767142462. Its totient is φ = 47767142460.

The previous prime is 47767142459. The next prime is 47767142491. The reversal of 47767142461 is 16424176774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45220022500 + 2547119961 = 212650^2 + 50469^2 .

It is a cyclic number.

It is not a de Polignac number, because 47767142461 - 2¹ = 47767142459 is a prime.

Together with 47767142459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47767142491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23883571230 + 23883571231.

It is an arithmetic number, because the mean of its divisors is an integer number (23883571231).

Almost surely, 2^47767142461 is an apocalyptic number.

It is an amenable number.

47767142461 is a deficient number, since it is larger than the sum of its proper divisors (1).

47767142461 is an equidigital number, since it uses as much as digits as its factorization.

47767142461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1580544, while the sum is 49.

The spelling of 47767142461 in words is "forty-seven billion, seven hundred sixty-seven million, one hundred forty-two thousand, four hundred sixty-one".