65050435487691 has 32 divisors (see below), whose sum is σ = 97049777299200. Its totient is φ = 43062551372160.

The previous prime is 65050435487677. The next prime is 65050435487707. The reversal of 65050435487691 is 19678453405056.

It is a happy number.

65050435487691 is a `hidden beast` number, since 6 + 5 + 0 + 5 + 0 + 435 + 48 + 76 + 91 = 666.

It is not a de Polignac number, because 65050435487691 - 2⁷ = 65050435487563 is a prime.

It is a super-2 number, since 2×65050435487691² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65050435486691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12146961 + ... + 16662818.

It is an arithmetic number, because the mean of its divisors is an integer number (3032805540600).

Almost surely, 2^{65050435487691} is an apocalyptic number.

65050435487691 is a deficient number, since it is larger than the sum of its proper divisors (31999341811509).

65050435487691 is a wasteful number, since it uses less digits than its factorization.

65050435487691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28810376 (or 28810370 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 63.

The spelling of 65050435487691 in words is "sixty-five trillion, fifty billion, four hundred thirty-five million, four hundred eighty-seven thousand, six hundred ninety-one".