8133248991 has 8 divisors (see below), whose sum is σ = 12393522304. Its totient is φ = 4647570840.

The previous prime is 8133248951. The next prime is 8133248993. The reversal of 8133248991 is 1998423318.

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

It is not a de Polignac number, because 8133248991 - 2¹⁹ = 8132724703 is a prime.

It is a super-2 number, since 2×8133248991² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8133248991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8133248993) 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, 193648765 + ... + 193648806.

It is an arithmetic number, because the mean of its divisors is an integer number (1549190288).

Almost surely, 2^8133248991 is an apocalyptic number.

8133248991 is a deficient number, since it is larger than the sum of its proper divisors (4260273313).

8133248991 is a wasteful number, since it uses less digits than its factorization.

8133248991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387297581.

The product of its digits is 373248, while the sum is 48.

The square root of 8133248991 is about 90184.5274478943. The cubic root of 8133248991 is about 2011.0429964754.

The spelling of 8133248991 in words is "eight billion, one hundred thirty-three million, two hundred forty-eight thousand, nine hundred ninety-one".