8815252749 has 16 divisors (see below), whose sum is σ = 12416025600. Its totient is φ = 5547844656.

The previous prime is 8815252697. The next prime is 8815252763. The reversal of 8815252749 is 9472525188.

It is not a de Polignac number, because 8815252749 - 2²¹ = 8813155597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8815262749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257109 + ... + 289370.

It is an arithmetic number, because the mean of its divisors is an integer number (776001600).

Almost surely, 2^8815252749 is an apocalyptic number.

It is an amenable number.

8815252749 is a deficient number, since it is larger than the sum of its proper divisors (3600772851).

8815252749 is a wasteful number, since it uses less digits than its factorization.

8815252749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546784.

The product of its digits is 1612800, while the sum is 51.

The square root of 8815252749 is about 93889.5774247600. The cubic root of 8815252749 is about 2065.7523537478.

The spelling of 8815252749 in words is "eight billion, eight hundred fifteen million, two hundred fifty-two thousand, seven hundred forty-nine".