8360256749 has 8 divisors (see below), whose sum is σ = 9083030712. Its totient is φ = 7648865280.

The previous prime is 8360256743. The next prime is 8360256757. The reversal of 8360256749 is 9476520638.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1161582724 + 7198674025 = 34082^2 + 84845^2 .

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 8360256749 - 2¹² = 8360252653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8360256697 and 8360256706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8360256743) 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, 2844092 + ... + 2847029.

It is an arithmetic number, because the mean of its divisors is an integer number (1135378839).

Almost surely, 2^8360256749 is an apocalyptic number.

It is an amenable number.

8360256749 is a deficient number, since it is larger than the sum of its proper divisors (722773963).

8360256749 is a wasteful number, since it uses less digits than its factorization.

8360256749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5691247.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The square root of 8360256749 is about 91434.4396220593. The cubic root of 8360256749 is about 2029.5817000717.

The spelling of 8360256749 in words is "eight billion, three hundred sixty million, two hundred fifty-six thousand, seven hundred forty-nine".