8451443011 has 8 divisors (see below), whose sum is σ = 9220750848. Its totient is φ = 7682301000.

The previous prime is 8451443009. The next prime is 8451443051. The reversal of 8451443011 is 1103441548.

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

It is not a de Polignac number, because 8451443011 - 2¹ = 8451443009 is a prime.

It is a super-2 number, since 2×8451443011² (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 (8451443051) 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, 80806 + ... + 153076.

It is an arithmetic number, because the mean of its divisors is an integer number (1152593856).

Almost surely, 2^8451443011 is an apocalyptic number.

8451443011 is a deficient number, since it is larger than the sum of its proper divisors (769307837).

8451443011 is a wasteful number, since it uses less digits than its factorization.

8451443011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82913.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 8451443011 is about 91931.7301642909. The cubic root of 8451443011 is about 2036.9339924837.

Adding to 8451443011 its reverse (1103441548), we get a palindrome (9554884559).

The spelling of 8451443011 in words is "eight billion, four hundred fifty-one million, four hundred forty-three thousand, eleven".