65340514651 has 2 divisors, whose sum is σ = 65340514652. Its totient is φ = 65340514650.

The previous prime is 65340514633. The next prime is 65340514663. The reversal of 65340514651 is 15641504356.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65340514651 - 2⁹ = 65340514139 is a prime.

It is not a weakly prime, because it can be changed into another prime (65340514621) 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, 32670257325 + 32670257326.

It is an arithmetic number, because the mean of its divisors is an integer number (32670257326).

Almost surely, 2^65340514651 is an apocalyptic number.

65340514651 is a deficient number, since it is larger than the sum of its proper divisors (1).

65340514651 is an equidigital number, since it uses as much as digits as its factorization.

65340514651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 65340514651 in words is "sixty-five billion, three hundred forty million, five hundred fourteen thousand, six hundred fifty-one".