47414816693 has 2 divisors, whose sum is σ = 47414816694. Its totient is φ = 47414816692.

The previous prime is 47414816639. The next prime is 47414816723. The reversal of 47414816693 is 39661841474.

47414816693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (47414816639) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24074004964 + 23340811729 = 155158^2 + 152777^2 .

It is a cyclic number.

It is not a de Polignac number, because 47414816693 - 2¹⁴ = 47414800309 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47414816893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23707408346 + 23707408347.

It is an arithmetic number, because the mean of its divisors is an integer number (23707408347).

Almost surely, 2^47414816693 is an apocalyptic number.

It is an amenable number.

47414816693 is a deficient number, since it is larger than the sum of its proper divisors (1).

47414816693 is an equidigital number, since it uses as much as digits as its factorization.

47414816693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 53.

The spelling of 47414816693 in words is "forty-seven billion, four hundred fourteen million, eight hundred sixteen thousand, six hundred ninety-three".