65413693 has 4 divisors (see below), whose sum is σ = 65815168. Its totient is φ = 65012220.

The previous prime is 65413687. The next prime is 65413697. The reversal of 65413693 is 39631456.

65413693 is nontrivially palindromic in base 9.

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 not a de Polignac number, because 65413693 - 2⁵ = 65413661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65413697) 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, 200493 + ... + 200818.

It is an arithmetic number, because the mean of its divisors is an integer number (16453792).

Almost surely, 2^65413693 is an apocalyptic number.

It is an amenable number.

65413693 is a deficient number, since it is larger than the sum of its proper divisors (401475).

65413693 is a wasteful number, since it uses less digits than its factorization.

65413693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401474.

The product of its digits is 58320, while the sum is 37.

The square root of 65413693 is about 8087.8732062267. The cubic root of 65413693 is about 402.9237705937.

The spelling of 65413693 in words is "sixty-five million, four hundred thirteen thousand, six hundred ninety-three".