65050504979 has 4 divisors (see below), whose sum is σ = 65282001720. Its totient is φ = 64819008240.

The previous prime is 65050504957. The next prime is 65050504993. The reversal of 65050504979 is 97940505056.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65050504979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65050504919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115747949 + ... + 115748510.

It is an arithmetic number, because the mean of its divisors is an integer number (16320500430).

Almost surely, 2^65050504979 is an apocalyptic number.

65050504979 is a deficient number, since it is larger than the sum of its proper divisors (231496741).

65050504979 is a wasteful number, since it uses less digits than its factorization.

65050504979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231496740.

The product of its (nonzero) digits is 1701000, while the sum is 50.

The spelling of 65050504979 in words is "sixty-five billion, fifty million, five hundred four thousand, nine hundred seventy-nine".