8513242738 has 96 divisors (see below), whose sum is σ = 17373621888. Its totient is φ = 3044321280.

The previous prime is 8513242679. The next prime is 8513242739. The reversal of 8513242738 is 8372423158.

It is a super-2 number, since 2×8513242738² (a number of 21 digits) contains 22 as substring.

Its product of digits (322560) is a multiple of the sum of its prime factors (2240).

It is a junction number, because it is equal to n+sod(n) for n = 8513242694 and 8513242703.

It is not an unprimeable number, because it can be changed into a prime (8513242739) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4249245 + ... + 4251247.

It is an arithmetic number, because the mean of its divisors is an integer number (180975228).

Almost surely, 2^8513242738 is an apocalyptic number.

8513242738 is an abundant number, since it is smaller than the sum of its proper divisors (8860379150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8513242738 is a wasteful number, since it uses less digits than its factorization.

8513242738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240 (or 2229 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 8513242738 is about 92267.2354522449. The cubic root of 8513242738 is about 2041.8868498369.

The spelling of 8513242738 in words is "eight billion, five hundred thirteen million, two hundred forty-two thousand, seven hundred thirty-eight".