65309617383634 has 16 divisors (see below), whose sum is σ = 105667346352960. Its totient is φ = 30095130275280.

The previous prime is 65309617383607. The next prime is 65309617383649. The reversal of 65309617383634 is 43638371690356.

It is a super-2 number, since 2×65309617383634² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1990402264 + ... + 1990435075.

It is an arithmetic number, because the mean of its divisors is an integer number (6604209147060).

Almost surely, 2^{65309617383634} is an apocalyptic number.

65309617383634 is a deficient number, since it is larger than the sum of its proper divisors (40357728969326).

65309617383634 is a wasteful number, since it uses less digits than its factorization.

65309617383634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980837985.

The product of its (nonzero) digits is 176359680, while the sum is 64.

The spelling of 65309617383634 in words is "sixty-five trillion, three hundred nine billion, six hundred seventeen million, three hundred eighty-three thousand, six hundred thirty-four".