65244734621223 has 16 divisors (see below), whose sum is σ = 94046464321920. Its totient is φ = 40093492682016.

The previous prime is 65244734621189. The next prime is 65244734621323. The reversal of 65244734621223 is 32212643744256.

It is not a de Polignac number, because 65244734621223 - 2⁶ = 65244734621159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65244734621323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15468166365 + ... + 15468170582.

It is an arithmetic number, because the mean of its divisors is an integer number (5877904020120).

Almost surely, 2^{65244734621223} is an apocalyptic number.

65244734621223 is a deficient number, since it is larger than the sum of its proper divisors (28801729700697).

65244734621223 is a wasteful number, since it uses less digits than its factorization.

65244734621223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30936337006.

The product of its digits is 11612160, while the sum is 51.

The spelling of 65244734621223 in words is "sixty-five trillion, two hundred forty-four billion, seven hundred thirty-four million, six hundred twenty-one thousand, two hundred twenty-three".