9874342815 has 64 divisors (see below), whose sum is σ = 17171554176. Its totient is φ = 4826611712.

The previous prime is 9874342813. The next prime is 9874342823. The reversal of 9874342815 is 5182434789.

It is a happy number.

9874342815 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9874342815 - 2¹ = 9874342813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9874342813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1848889 + ... + 1854221.

It is an arithmetic number, because the mean of its divisors is an integer number (268305534).

It is the magic constant of a 2703 × 2703 magic square.

Almost surely, 2^9874342815 is an apocalyptic number.

9874342815 is a deficient number, since it is larger than the sum of its proper divisors (7297211361).

9874342815 is a wasteful number, since it uses less digits than its factorization.

9874342815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5548.

The product of its digits is 1935360, while the sum is 51.

The square root of 9874342815 is about 99369.7278601486. The cubic root of 9874342815 is about 2145.3726196140.

The spelling of 9874342815 in words is "nine billion, eight hundred seventy-four million, three hundred forty-two thousand, eight hundred fifteen".