47647372061 has 2 divisors, whose sum is σ = 47647372062. Its totient is φ = 47647372060.

The previous prime is 47647372051. The next prime is 47647372111. The reversal of 47647372061 is 16027374674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39241232836 + 8406139225 = 198094^2 + 91685^2 .

It is a cyclic number.

It is not a de Polignac number, because 47647372061 - 2⁶ = 47647371997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47647371997 and 47647372015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47647372001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23823686030 + 23823686031.

It is an arithmetic number, because the mean of its divisors is an integer number (23823686031).

Almost surely, 2^47647372061 is an apocalyptic number.

It is an amenable number.

47647372061 is a deficient number, since it is larger than the sum of its proper divisors (1).

47647372061 is an equidigital number, since it uses as much as digits as its factorization.

47647372061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1185408, while the sum is 47.

The spelling of 47647372061 in words is "forty-seven billion, six hundred forty-seven million, three hundred seventy-two thousand, sixty-one".