65400022841 has 4 divisors (see below), whose sum is σ = 65400566352. Its totient is φ = 65399479332.

The previous prime is 65400022837. The next prime is 65400022861. The reversal of 65400022841 is 14822000456.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 65400022841 - 2² = 65400022837 is a prime.

It is a super-2 number, since 2×65400022841² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65400022798 and 65400022807.

It is not an unprimeable number, because it can be changed into a prime (65400022861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2015 + ... + 361668.

It is an arithmetic number, because the mean of its divisors is an integer number (16350141588).

Almost surely, 2^65400022841 is an apocalyptic number.

It is an amenable number.

65400022841 is a deficient number, since it is larger than the sum of its proper divisors (543511).

65400022841 is a wasteful number, since it uses less digits than its factorization.

65400022841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543510.

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 65400022841 in words is "sixty-five billion, four hundred million, twenty-two thousand, eight hundred forty-one".