65012421041 has 4 divisors (see below), whose sum is σ = 65047022400. Its totient is φ = 64977819684.

The previous prime is 65012421007. The next prime is 65012421079. The reversal of 65012421041 is 14012421056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65012421041 is a prime.

It is a super-2 number, since 2×65012421041² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65012421041.

It is not an unprimeable number, because it can be changed into a prime (65012423041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17297861 + ... + 17301618.

It is an arithmetic number, because the mean of its divisors is an integer number (16261755600).

Almost surely, 2^65012421041 is an apocalyptic number.

It is an amenable number.

65012421041 is a deficient number, since it is larger than the sum of its proper divisors (34601359).

65012421041 is a wasteful number, since it uses less digits than its factorization.

65012421041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34601358.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 65012421041 its reverse (14012421056), we get a palindrome (79024842097).

The spelling of 65012421041 in words is "sixty-five billion, twelve million, four hundred twenty-one thousand, forty-one".