47186047590181 has 2 divisors, whose sum is σ = 47186047590182. Its totient is φ = 47186047590180.

The previous prime is 47186047590137. The next prime is 47186047590217. The reversal of 47186047590181 is 18109574068174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41618174976225 + 5567872613956 = 6451215^2 + 2359634^2 .

It is a cyclic number.

It is not a de Polignac number, because 47186047590181 - 2¹⁹ = 47186047065893 is a prime.

It is a super-2 number, since 2×47186047590181² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47186047594181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23593023795090 + 23593023795091.

It is an arithmetic number, because the mean of its divisors is an integer number (23593023795091).

Almost surely, 2^{47186047590181} is an apocalyptic number.

It is an amenable number.

47186047590181 is a deficient number, since it is larger than the sum of its proper divisors (1).

47186047590181 is an equidigital number, since it uses as much as digits as its factorization.

47186047590181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13547520, while the sum is 61.

The spelling of 47186047590181 in words is "forty-seven trillion, one hundred eighty-six billion, forty-seven million, five hundred ninety thousand, one hundred eighty-one".