651313751000000 has 784 divisors, whose sum is σ = 1837371841339392. Its totient is φ = 226920000000000.

The previous prime is 651313750999973. The next prime is 651313751000009. The reversal of 651313751000000 is 157313156.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651313751000009) by changing a digit.

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 111 ways as a sum of consecutive naturals, for example, 34440990545 + ... + 34441009455.

Almost surely, 2^{651313751000000} 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 651313751000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (918685920669696).

651313751000000 is an abundant number, since it is smaller than the sum of its proper divisors (1186058090339392).

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

651313751000000 is a wasteful number, since it uses less digits than its factorization.

651313751000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19096 (or 19061 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 32.

The spelling of 651313751000000 in words is "six hundred fifty-one trillion, three hundred thirteen billion, seven hundred fifty-one million", and thus it is an aban number.