9784472371213 has 2 divisors, whose sum is σ = 9784472371214. Its totient is φ = 9784472371212.

The previous prime is 9784472371187. The next prime is 9784472371237. The reversal of 9784472371213 is 3121732744879.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5696040943044 + 4088431428169 = 2386638^2 + 2021987^2 .

It is a cyclic number.

It is not a de Polignac number, because 9784472371213 - 2⁵ = 9784472371181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9784472371283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4892236185606 + 4892236185607.

It is an arithmetic number, because the mean of its divisors is an integer number (4892236185607).

Almost surely, 2^{9784472371213} is an apocalyptic number.

It is an amenable number.

9784472371213 is a deficient number, since it is larger than the sum of its proper divisors (1).

9784472371213 is an equidigital number, since it uses as much as digits as its factorization.

9784472371213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14224896, while the sum is 58.

The spelling of 9784472371213 in words is "nine trillion, seven hundred eighty-four billion, four hundred seventy-two million, three hundred seventy-one thousand, two hundred thirteen".