65140645007 has 2 divisors, whose sum is σ = 65140645008. Its totient is φ = 65140645006.

The previous prime is 65140644991. The next prime is 65140645039. The reversal of 65140645007 is 70054604156.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65140645007 - 2⁴ = 65140644991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65140645807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32570322503 + 32570322504.

It is an arithmetic number, because the mean of its divisors is an integer number (32570322504).

Almost surely, 2^65140645007 is an apocalyptic number.

65140645007 is a deficient number, since it is larger than the sum of its proper divisors (1).

65140645007 is an equidigital number, since it uses as much as digits as its factorization.

65140645007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 65140645007 in words is "sixty-five billion, one hundred forty million, six hundred forty-five thousand, seven".