47919701961 has 6 divisors (see below), whose sum is σ = 69217347290. Its totient is φ = 31946467968.

The previous prime is 47919701957. The next prime is 47919701971. The reversal of 47919701961 is 16910791974.

47919701961 is a `hidden beast` number, since 479 + 19 + 70 + 1 + 96 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 45778881600 + 2140820361 = 213960^2 + 46269^2 .

It is not a de Polignac number, because 47919701961 - 2² = 47919701957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47919701898 and 47919701907.

It is not an unprimeable number, because it can be changed into a prime (47919701911) 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 in 5 ways as a sum of consecutive naturals, for example, 2662205656 + ... + 2662205673.

Almost surely, 2^47919701961 is an apocalyptic number.

It is an amenable number.

47919701961 is a deficient number, since it is larger than the sum of its proper divisors (21297645329).

47919701961 is a wasteful number, since it uses less digits than its factorization.

47919701961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5324411335 (or 5324411332 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 54.

The spelling of 47919701961 in words is "forty-seven billion, nine hundred nineteen million, seven hundred one thousand, nine hundred sixty-one".