8692089121 has 2 divisors, whose sum is σ = 8692089122. Its totient is φ = 8692089120.

The previous prime is 8692089113. The next prime is 8692089139. The reversal of 8692089121 is 1219802968.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4919058496 + 3773030625 = 70136^2 + 61425^2 .

It is a cyclic number.

It is not a de Polignac number, because 8692089121 - 2³ = 8692089113 is a prime.

It is not a weakly prime, because it can be changed into another prime (8692089151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4346044560 + 4346044561.

It is an arithmetic number, because the mean of its divisors is an integer number (4346044561).

Almost surely, 2^8692089121 is an apocalyptic number.

It is an amenable number.

8692089121 is a deficient number, since it is larger than the sum of its proper divisors (1).

8692089121 is an equidigital number, since it uses as much as digits as its factorization.

8692089121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 8692089121 is about 93231.3741237358. The cubic root of 8692089121 is about 2056.0865407694.

It can be divided in two parts, 869 and 2089121, that added together give a triangular number (2089990 = T₂₀₄₄).

The spelling of 8692089121 in words is "eight billion, six hundred ninety-two million, eighty-nine thousand, one hundred twenty-one".