65181302713 has 4 divisors (see below), whose sum is σ = 65182588020. Its totient is φ = 65180017408.

The previous prime is 65181302689. The next prime is 65181302723. The reversal of 65181302713 is 31720318156.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32140242729 + 33041059984 = 179277^2 + 181772^2 .

It is a cyclic number.

It is not a de Polignac number, because 65181302713 - 2⁹ = 65181302201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65181302723) 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, 563320 + ... + 669097.

It is an arithmetic number, because the mean of its divisors is an integer number (16295647005).

Almost surely, 2^65181302713 is an apocalyptic number.

It is an amenable number.

65181302713 is a deficient number, since it is larger than the sum of its proper divisors (1285307).

65181302713 is a wasteful number, since it uses less digits than its factorization.

65181302713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285306.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 65181302713 in words is "sixty-five billion, one hundred eighty-one million, three hundred two thousand, seven hundred thirteen".