93474490409 has 2 divisors, whose sum is σ = 93474490410. Its totient is φ = 93474490408.

The previous prime is 93474490387. The next prime is 93474490411. The reversal of 93474490409 is 90409447439.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60732673600 + 32741816809 = 246440^2 + 180947^2 .

It is an emirp because it is prime and its reverse (90409447439) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 93474490409 - 2¹⁶ = 93474424873 is a prime.

Together with 93474490411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (93474495409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46737245204 + 46737245205.

It is an arithmetic number, because the mean of its divisors is an integer number (46737245205).

Almost surely, 2^93474490409 is an apocalyptic number.

It is an amenable number.

93474490409 is a deficient number, since it is larger than the sum of its proper divisors (1).

93474490409 is an equidigital number, since it uses as much as digits as its factorization.

93474490409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 93474490409 in words is "ninety-three billion, four hundred seventy-four million, four hundred ninety thousand, four hundred nine".