65213415993 has 8 divisors (see below), whose sum is σ = 94855877856. Its totient is φ = 39523282400.

The previous prime is 65213415941. The next prime is 65213416001. The reversal of 65213415993 is 39951431256.

65213415993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65213415993 - 2¹⁰ = 65213414969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65213415923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988082028 + ... + 988082093.

It is an arithmetic number, because the mean of its divisors is an integer number (11856984732).

Almost surely, 2^65213415993 is an apocalyptic number.

It is an amenable number.

65213415993 is a deficient number, since it is larger than the sum of its proper divisors (29642461863).

65213415993 is a wasteful number, since it uses less digits than its factorization.

65213415993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976164135.

The product of its digits is 874800, while the sum is 48.

The spelling of 65213415993 in words is "sixty-five billion, two hundred thirteen million, four hundred fifteen thousand, nine hundred ninety-three".