65930940695 has 8 divisors (see below), whose sum is σ = 79195546320. Its totient is φ = 52692474240.

The previous prime is 65930940667. The next prime is 65930940739. The reversal of 65930940695 is 59604903956.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65930940695 - 2³⁰ = 64857198871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65930940695.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6529241 + ... + 6539330.

It is an arithmetic number, because the mean of its divisors is an integer number (9899443290).

Almost surely, 2^65930940695 is an apocalyptic number.

65930940695 is a deficient number, since it is larger than the sum of its proper divisors (13264605625).

65930940695 is a wasteful number, since it uses less digits than its factorization.

65930940695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13069585.

The product of its (nonzero) digits is 7873200, while the sum is 56.

The spelling of 65930940695 in words is "sixty-five billion, nine hundred thirty million, nine hundred forty thousand, six hundred ninety-five".