8427091651 has 16 divisors (see below), whose sum is σ = 9343541088. Its totient is φ = 7536672000.

The previous prime is 8427091649. The next prime is 8427091657. The reversal of 8427091651 is 1561907248.

It is not a de Polignac number, because 8427091651 - 2¹ = 8427091649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8427091598 and 8427091607.

It is not an unprimeable number, because it can be changed into a prime (8427091657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150271 + ... + 198583.

It is an arithmetic number, because the mean of its divisors is an integer number (583971318).

Almost surely, 2^8427091651 is an apocalyptic number.

8427091651 is a deficient number, since it is larger than the sum of its proper divisors (916449437).

8427091651 is a wasteful number, since it uses less digits than its factorization.

8427091651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48582.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 8427091651 is about 91799.1919953547. The cubic root of 8427091651 is about 2034.9757537452.

Adding to 8427091651 its reverse (1561907248), we get a palindrome (9988998899).

The spelling of 8427091651 in words is "eight billion, four hundred twenty-seven million, ninety-one thousand, six hundred fifty-one".