651982138007 has 8 divisors (see below), whose sum is σ = 690915628656. Its totient is φ = 613113269632.

The previous prime is 651982137979. The next prime is 651982138009. The reversal of 651982138007 is 700831289156.

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

It is a cyclic number.

It is not a de Polignac number, because 651982138007 - 2¹⁶ = 651982072471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651982138009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16134788 + ... + 16175145.

It is an arithmetic number, because the mean of its divisors is an integer number (86364453582).

Almost surely, 2^651982138007 is an apocalyptic number.

651982138007 is a deficient number, since it is larger than the sum of its proper divisors (38933490649).

651982138007 is a wasteful number, since it uses less digits than its factorization.

651982138007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32311137.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 651982138007 in words is "six hundred fifty-one billion, nine hundred eighty-two million, one hundred thirty-eight thousand, seven".