89001121049 has 2 divisors, whose sum is σ = 89001121050. Its totient is φ = 89001121048.

The previous prime is 89001120983. The next prime is 89001121067. The reversal of 89001121049 is 94012110098.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79584359449 + 9416761600 = 282107^2 + 97040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89001121049 is a prime.

It is not a weakly prime, because it can be changed into another prime (89001111049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44500560524 + 44500560525.

It is an arithmetic number, because the mean of its divisors is an integer number (44500560525).

Almost surely, 2^89001121049 is an apocalyptic number.

It is an amenable number.

89001121049 is a deficient number, since it is larger than the sum of its proper divisors (1).

89001121049 is an equidigital number, since it uses as much as digits as its factorization.

89001121049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 89001121049 in words is "eighty-nine billion, one million, one hundred twenty-one thousand, forty-nine".