9874342813 has 2 divisors, whose sum is σ = 9874342814. Its totient is φ = 9874342812.

The previous prime is 9874342783. The next prime is 9874342823. The reversal of 9874342813 is 3182434789.

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., 6228839929 + 3645502884 = 78923^2 + 60378^2 .

It is a cyclic number.

It is not a de Polignac number, because 9874342813 - 2²⁵ = 9840788381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9874342823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4937171406 + 4937171407.

It is an arithmetic number, because the mean of its divisors is an integer number (4937171407).

Almost surely, 2^9874342813 is an apocalyptic number.

It is an amenable number.

9874342813 is a deficient number, since it is larger than the sum of its proper divisors (1).

9874342813 is an equidigital number, since it uses as much as digits as its factorization.

9874342813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 49.

The square root of 9874342813 is about 99369.7278500852. The cubic root of 9874342813 is about 2145.3726194691.

The spelling of 9874342813 in words is "nine billion, eight hundred seventy-four million, three hundred forty-two thousand, eight hundred thirteen".