65943413707 has 4 divisors (see below), whose sum is σ = 65946058696. Its totient is φ = 65940768720.

The previous prime is 65943413617. The next prime is 65943413743. The reversal of 65943413707 is 70731434956.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65943413707 is a prime.

It is a super-2 number, since 2×65943413707² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65943414707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284738 + ... + 1335079.

It is an arithmetic number, because the mean of its divisors is an integer number (16486514674).

Almost surely, 2^65943413707 is an apocalyptic number.

65943413707 is a deficient number, since it is larger than the sum of its proper divisors (2644989).

65943413707 is a wasteful number, since it uses less digits than its factorization.

65943413707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644988.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 65943413707 in words is "sixty-five billion, nine hundred forty-three million, four hundred thirteen thousand, seven hundred seven".