65502137273438 has 8 divisors (see below), whose sum is σ = 98272068126960. Its totient is φ = 32744781231120.

The previous prime is 65502137273437. The next prime is 65502137273449. The reversal of 65502137273438 is 83437273120556.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65502137273437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3143689778 + ... + 3143710613.

It is an arithmetic number, because the mean of its divisors is an integer number (12284008515870).

Almost surely, 2^{65502137273438} is an apocalyptic number.

65502137273438 is a deficient number, since it is larger than the sum of its proper divisors (32769930853522).

65502137273438 is a wasteful number, since it uses less digits than its factorization.

65502137273438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6287405602.

The product of its (nonzero) digits is 25401600, while the sum is 56.

The spelling of 65502137273438 in words is "sixty-five trillion, five hundred two billion, one hundred thirty-seven million, two hundred seventy-three thousand, four hundred thirty-eight".