89201689251439 has 2 divisors, whose sum is σ = 89201689251440. Its totient is φ = 89201689251438.

The previous prime is 89201689251431. The next prime is 89201689251449. The reversal of 89201689251439 is 93415298610298.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89201689251439 - 2³ = 89201689251431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89201689251431) 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, 44600844625719 + 44600844625720.

It is an arithmetic number, because the mean of its divisors is an integer number (44600844625720).

Almost surely, 2^{89201689251439} is an apocalyptic number.

89201689251439 is a deficient number, since it is larger than the sum of its proper divisors (1).

89201689251439 is an equidigital number, since it uses as much as digits as its factorization.

89201689251439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67184640, while the sum is 67.

The spelling of 89201689251439 in words is "eighty-nine trillion, two hundred one billion, six hundred eighty-nine million, two hundred fifty-one thousand, four hundred thirty-nine".