651223142054432 has 24 divisors (see below), whose sum is σ = 1311911736757776. Its totient is φ = 318039208909632.

The previous prime is 651223142054417. The next prime is 651223142054503. The reversal of 651223142054432 is 234450241322156.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236636314778 + ... + 236636317529.

It is an arithmetic number, because the mean of its divisors is an integer number (54662989031574).

Almost surely, 2^{651223142054432} is an apocalyptic number.

It is an amenable number.

651223142054432 is an abundant number, since it is smaller than the sum of its proper divisors (660688594703344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

651223142054432 is a wasteful number, since it uses less digits than its factorization.

651223142054432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473272632360 (or 473272632352 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

Adding to 651223142054432 its reverse (234450241322156), we get a palindrome (885673383376588).

The spelling of 651223142054432 in words is "six hundred fifty-one trillion, two hundred twenty-three billion, one hundred forty-two million, fifty-four thousand, four hundred thirty-two".