651432272352 has 24 divisors (see below), whose sum is σ = 1710009715176. Its totient is φ = 217144090752.

The previous prime is 651432272321. The next prime is 651432272353. The reversal of 651432272352 is 253272234156.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×651432272352³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651432272353) 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 3 ways as a sum of consecutive naturals, for example, 3392876323 + ... + 3392876514.

It is an arithmetic number, because the mean of its divisors is an integer number (71250404799).

Almost surely, 2^651432272352 is an apocalyptic number.

It is an amenable number.

651432272352 is an abundant number, since it is smaller than the sum of its proper divisors (1058577442824).

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

651432272352 is a wasteful number, since it uses less digits than its factorization.

651432272352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6785752850 (or 6785752842 counting only the distinct ones).

The product of its digits is 604800, while the sum is 42.

The spelling of 651432272352 in words is "six hundred fifty-one billion, four hundred thirty-two million, two hundred seventy-two thousand, three hundred fifty-two".