65228859851 has 2 divisors, whose sum is σ = 65228859852. Its totient is φ = 65228859850.

The previous prime is 65228859833. The next prime is 65228859877. The reversal of 65228859851 is 15895882256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65228859851 - 2³⁴ = 48048990667 is a prime.

It is a super-2 number, since 2×65228859851² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65228829851) 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, 32614429925 + 32614429926.

It is an arithmetic number, because the mean of its divisors is an integer number (32614429926).

Almost surely, 2^65228859851 is an apocalyptic number.

65228859851 is a deficient number, since it is larger than the sum of its proper divisors (1).

65228859851 is an equidigital number, since it uses as much as digits as its factorization.

65228859851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824000, while the sum is 59.

The spelling of 65228859851 in words is "sixty-five billion, two hundred twenty-eight million, eight hundred fifty-nine thousand, eight hundred fifty-one".