651453020000 has 120 divisors (see below), whose sum is σ = 1603604101176. Its totient is φ = 260429696000.

The previous prime is 651453019979. The next prime is 651453020017. The reversal of 651453020000 is 20354156.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 38251487 + ... + 38268513.

Almost surely, 2^651453020000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 651453020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (801802050588).

651453020000 is an abundant number, since it is smaller than the sum of its proper divisors (952151081176).

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

651453020000 is a wasteful number, since it uses less digits than its factorization.

651453020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18970 (or 18947 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 651453020000 its reverse (20354156), we get a palindrome (651473374156).

The spelling of 651453020000 in words is "six hundred fifty-one billion, four hundred fifty-three million, twenty thousand".