8521130743 has 8 divisors (see below), whose sum is σ = 8588361600. Its totient is φ = 8454106848.

The previous prime is 8521130741. The next prime is 8521130759. The reversal of 8521130743 is 3470311258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8521130743 - 2¹ = 8521130741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8521130699 and 8521130708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8521130741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31453 + ... + 134281.

It is an arithmetic number, because the mean of its divisors is an integer number (1073545200).

Almost surely, 2^8521130743 is an apocalyptic number.

8521130743 is a deficient number, since it is larger than the sum of its proper divisors (67230857).

8521130743 is a wasteful number, since it uses less digits than its factorization.

8521130743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103481.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 8521130743 is about 92309.9709836375. The cubic root of 8521130743 is about 2042.5172967079.

The spelling of 8521130743 in words is "eight billion, five hundred twenty-one million, one hundred thirty thousand, seven hundred forty-three".