65350723688 has 32 divisors (see below), whose sum is σ = 124286088960. Its totient is φ = 32207972160.

The previous prime is 65350723681. The next prime is 65350723721. The reversal of 65350723688 is 88632705356.

It is not an unprimeable number, because it can be changed into a prime (65350723681) 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 7 ways as a sum of consecutive naturals, for example, 3288470 + ... + 3308282.

It is an arithmetic number, because the mean of its divisors is an integer number (3883940280).

Almost surely, 2^65350723688 is an apocalyptic number.

It is an amenable number.

65350723688 is a deficient number, since it is larger than the sum of its proper divisors (58935365272).

65350723688 is a wasteful number, since it uses less digits than its factorization.

65350723688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25697 (or 25693 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 65350723688 in words is "sixty-five billion, three hundred fifty million, seven hundred twenty-three thousand, six hundred eighty-eight".