89455405049 has 2 divisors, whose sum is σ = 89455405050. Its totient is φ = 89455405048.

The previous prime is 89455405007. The next prime is 89455405063. The reversal of 89455405049 is 94050455498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88348645225 + 1106759824 = 297235^2 + 33268^2 .

It is a cyclic number.

It is not a de Polignac number, because 89455405049 - 2²⁴ = 89438627833 is a prime.

It is a super-3 number, since 3×89455405049³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (89455455049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44727702524 + 44727702525.

It is an arithmetic number, because the mean of its divisors is an integer number (44727702525).

Almost surely, 2^89455405049 is an apocalyptic number.

It is an amenable number.

89455405049 is a deficient number, since it is larger than the sum of its proper divisors (1).

89455405049 is an equidigital number, since it uses as much as digits as its factorization.

89455405049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184000, while the sum is 53.

The spelling of 89455405049 in words is "eighty-nine billion, four hundred fifty-five million, four hundred five thousand, forty-nine".