65213270517 has 8 divisors (see below), whose sum is σ = 86952532896. Its totient is φ = 43474760912.

The previous prime is 65213270489. The next prime is 65213270519. The reversal of 65213270517 is 71507231256.

It is a happy number.

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 65213270517 - 2⁶ = 65213270453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65213270519) 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, 61138 + ... + 366284.

It is an arithmetic number, because the mean of its divisors is an integer number (10869066612).

Almost surely, 2^65213270517 is an apocalyptic number.

It is an amenable number.

65213270517 is a deficient number, since it is larger than the sum of its proper divisors (21739262379).

65213270517 is a wasteful number, since it uses less digits than its factorization.

65213270517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376387.

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 65213270517 in words is "sixty-five billion, two hundred thirteen million, two hundred seventy thousand, five hundred seventeen".