65743636452065 has 64 divisors (see below), whose sum is σ = 97403444151552. Its totient is φ = 41944065408000.

The previous prime is 65743636452049. The next prime is 65743636452073. The reversal of 65743636452065 is 56025463634756.

It is not a de Polignac number, because 65743636452065 - 2⁴ = 65743636452049 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65743636451989 and 65743636452007.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27759086 + ... + 30034215.

It is an arithmetic number, because the mean of its divisors is an integer number (1521928814868).

Almost surely, 2^{65743636452065} is an apocalyptic number.

65743636452065 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65743636452065 is a deficient number, since it is larger than the sum of its proper divisors (31659807699487).

65743636452065 is a wasteful number, since it uses less digits than its factorization.

65743636452065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57793410.

The product of its (nonzero) digits is 326592000, while the sum is 62.

The spelling of 65743636452065 in words is "sixty-five trillion, seven hundred forty-three billion, six hundred thirty-six million, four hundred fifty-two thousand, sixty-five".