8537832709849 has 3 divisors (see below), whose sum is σ = 8537835631807. Its totient is φ = 8537829787892.

The previous prime is 8537832709843. The next prime is 8537832709897. The reversal of 8537832709849 is 9489072387358.

The square root of 8537832709849 is 2921957.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 11829825225 + 8526002884624 = 108765^2 + 2919932^2 .

It is not a de Polignac number, because 8537832709849 - 2⁹ = 8537832709337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8537832709843) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1460979 + ... + 4382935.

Almost surely, 2^{8537832709849} is an apocalyptic number.

8537832709849 is the 2921957-th square number.

8537832709849 is the 1460979-th centered octagonal number.

It is an amenable number.

8537832709849 is a deficient number, since it is larger than the sum of its proper divisors (2921958).

8537832709849 is an frugal number, since it uses more digits than its factorization.

8537832709849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843914 (or 2921957 counting only the distinct ones).

The product of its (nonzero) digits is 731566080, while the sum is 73.

It can be divided in two parts, 8537832 and 709849, that added together give a square (9247681 = 3041²).

The spelling of 8537832709849 in words is "eight trillion, five hundred thirty-seven billion, eight hundred thirty-two million, seven hundred nine thousand, eight hundred forty-nine".