47161693 has 2 divisors, whose sum is σ = 47161694. Its totient is φ = 47161692.

The previous prime is 47161651. The next prime is 47161711. The reversal of 47161693 is 39616174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44796249 + 2365444 = 6693^2 + 1538^2 .

It is a cyclic number.

It is not a de Polignac number, because 47161693 - 2¹³ = 47153501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47161393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23580846 + 23580847.

It is an arithmetic number, because the mean of its divisors is an integer number (23580847).

Almost surely, 2^47161693 is an apocalyptic number.

It is an amenable number.

47161693 is a deficient number, since it is larger than the sum of its proper divisors (1).

47161693 is an equidigital number, since it uses as much as digits as its factorization.

47161693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 47161693 is about 6867.4371493302. The cubic root of 47161693 is about 361.2959796681.

The spelling of 47161693 in words is "forty-seven million, one hundred sixty-one thousand, six hundred ninety-three".