47416813 has 2 divisors, whose sum is σ = 47416814. Its totient is φ = 47416812.

The previous prime is 47416807. The next prime is 47416841. The reversal of 47416813 is 31861474.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34363044 + 13053769 = 5862^2 + 3613^2 .

It is a cyclic number.

It is not a de Polignac number, because 47416813 - 2⁵ = 47416781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47416513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23708406 + 23708407.

It is an arithmetic number, because the mean of its divisors is an integer number (23708407).

Almost surely, 2^47416813 is an apocalyptic number.

It is an amenable number.

47416813 is a deficient number, since it is larger than the sum of its proper divisors (1).

47416813 is an equidigital number, since it uses as much as digits as its factorization.

47416813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 34.

The square root of 47416813 is about 6885.9867121568. The cubic root of 47416813 is about 361.9462823337.

The spelling of 47416813 in words is "forty-seven million, four hundred sixteen thousand, eight hundred thirteen".