8432748899 has 16 divisors (see below), whose sum is σ = 8567713440. Its totient is φ = 8299200000.

The previous prime is 8432748893. The next prime is 8432748931. The reversal of 8432748899 is 9988472348.

It is a Cunningham number, because it is equal to 91830²-1.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8432748899 is a prime.

It is a super-2 number, since 2×8432748899² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8432748893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12029249 + ... + 12029949.

It is an arithmetic number, because the mean of its divisors is an integer number (535482090).

Almost surely, 2^8432748899 is an apocalyptic number.

8432748899 is a deficient number, since it is larger than the sum of its proper divisors (134964541).

8432748899 is a wasteful number, since it uses less digits than its factorization.

8432748899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462.

The product of its digits is 27869184, while the sum is 62.

The square root of 8432748899 is about 91829.9999945552. Note that the first 5 decimals coincide. The cubic root of 8432748899 is about 2035.4310230047.

The spelling of 8432748899 in words is "eight billion, four hundred thirty-two million, seven hundred forty-eight thousand, eight hundred ninety-nine".