8751634081 has 2 divisors, whose sum is σ = 8751634082. Its totient is φ = 8751634080.

The previous prime is 8751634043. The next prime is 8751634091. The reversal of 8751634081 is 1804361578.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8707875856 + 43758225 = 93316^2 + 6615^2 .

It is a cyclic number.

It is not a de Polignac number, because 8751634081 - 2¹³ = 8751625889 is a prime.

It is a super-2 number, since 2×8751634081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8751634091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4375817040 + 4375817041.

It is an arithmetic number, because the mean of its divisors is an integer number (4375817041).

Almost surely, 2^8751634081 is an apocalyptic number.

It is an amenable number.

8751634081 is a deficient number, since it is larger than the sum of its proper divisors (1).

8751634081 is an equidigital number, since it uses as much as digits as its factorization.

8751634081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 8751634081 is about 93550.1687919375. The cubic root of 8751634081 is about 2060.7709183770.

The spelling of 8751634081 in words is "eight billion, seven hundred fifty-one million, six hundred thirty-four thousand, eighty-one".