65288688251 has 2 divisors, whose sum is σ = 65288688252. Its totient is φ = 65288688250.

The previous prime is 65288688239. The next prime is 65288688323. The reversal of 65288688251 is 15288688256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65288688251 - 2¹⁴ = 65288671867 is a prime.

It is a super-2 number, since 2×65288688251² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65288688851) 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, 32644344125 + 32644344126.

It is an arithmetic number, because the mean of its divisors is an integer number (32644344126).

Almost surely, 2^65288688251 is an apocalyptic number.

65288688251 is a deficient number, since it is larger than the sum of its proper divisors (1).

65288688251 is an equidigital number, since it uses as much as digits as its factorization.

65288688251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14745600, while the sum is 59.

The spelling of 65288688251 in words is "sixty-five billion, two hundred eighty-eight million, six hundred eighty-eight thousand, two hundred fifty-one".