89135699069 has 2 divisors, whose sum is σ = 89135699070. Its totient is φ = 89135699068.

The previous prime is 89135699053. The next prime is 89135699141. The reversal of 89135699069 is 96099653198.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55660605625 + 33475093444 = 235925^2 + 182962^2 .

It is a cyclic number.

It is not a de Polignac number, because 89135699069 - 2⁴ = 89135699053 is a prime.

It is a super-2 number, since 2×89135699069² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89135698996 and 89135699014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89135699269) 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 as a sum of consecutive naturals, namely, 44567849534 + 44567849535.

It is an arithmetic number, because the mean of its divisors is an integer number (44567849535).

Almost surely, 2^89135699069 is an apocalyptic number.

It is an amenable number.

89135699069 is a deficient number, since it is larger than the sum of its proper divisors (1).

89135699069 is an equidigital number, since it uses as much as digits as its factorization.

89135699069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28343520, while the sum is 65.

The spelling of 89135699069 in words is "eighty-nine billion, one hundred thirty-five million, six hundred ninety-nine thousand, sixty-nine".