65402553089 has 2 divisors, whose sum is σ = 65402553090. Its totient is φ = 65402553088.

The previous prime is 65402553059. The next prime is 65402553109. The reversal of 65402553089 is 98035520456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41069049025 + 24333504064 = 202655^2 + 155992^2 .

It is a cyclic number.

It is not a de Polignac number, because 65402553089 - 2⁸ = 65402552833 is a prime.

It is not a weakly prime, because it can be changed into another prime (65402553059) 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, 32701276544 + 32701276545.

It is an arithmetic number, because the mean of its divisors is an integer number (32701276545).

Almost surely, 2^65402553089 is an apocalyptic number.

It is an amenable number.

65402553089 is a deficient number, since it is larger than the sum of its proper divisors (1).

65402553089 is an equidigital number, since it uses as much as digits as its factorization.

65402553089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 65402553089 in words is "sixty-five billion, four hundred two million, five hundred fifty-three thousand, eighty-nine".