65767057349 has 16 divisors (see below), whose sum is σ = 81670471680. Its totient is φ = 51682088880.

The previous prime is 65767057339. The next prime is 65767057409. The reversal of 65767057349 is 94375076756.

It is a cyclic number.

It is not a de Polignac number, because 65767057349 - 2²⁰ = 65766008773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65767057309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7971509 + ... + 7979754.

It is an arithmetic number, because the mean of its divisors is an integer number (5104404480).

Almost surely, 2^65767057349 is an apocalyptic number.

It is an amenable number.

65767057349 is a deficient number, since it is larger than the sum of its proper divisors (15903414331).

65767057349 is a wasteful number, since it uses less digits than its factorization.

65767057349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15951320.

The product of its (nonzero) digits is 33339600, while the sum is 59.

The spelling of 65767057349 in words is "sixty-five billion, seven hundred sixty-seven million, fifty-seven thousand, three hundred forty-nine".