65440895101 has 2 divisors, whose sum is σ = 65440895102. Its totient is φ = 65440895100.

The previous prime is 65440895071. The next prime is 65440895111. The reversal of 65440895101 is 10159804456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36370304100 + 29070591001 = 190710^2 + 170501^2 .

It is a cyclic number.

It is not a de Polignac number, because 65440895101 - 2³¹ = 63293411453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65440895111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32720447550 + 32720447551.

It is an arithmetic number, because the mean of its divisors is an integer number (32720447551).

Almost surely, 2^65440895101 is an apocalyptic number.

It is an amenable number.

65440895101 is a deficient number, since it is larger than the sum of its proper divisors (1).

65440895101 is an equidigital number, since it uses as much as digits as its factorization.

65440895101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 65440895101 in words is "sixty-five billion, four hundred forty million, eight hundred ninety-five thousand, one hundred one".