651385032653 has 2 divisors, whose sum is σ = 651385032654. Its totient is φ = 651385032652.

The previous prime is 651385032643. The next prime is 651385032869. The reversal of 651385032653 is 356230583156.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 567170153449 + 84214879204 = 753107^2 + 290198^2 .

It is a cyclic number.

It is not a de Polignac number, because 651385032653 - 2⁶ = 651385032589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 651385032598 and 651385032607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (651385032643) 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 as a sum of consecutive naturals, namely, 325692516326 + 325692516327.

It is an arithmetic number, because the mean of its divisors is an integer number (325692516327).

Almost surely, 2^651385032653 is an apocalyptic number.

It is an amenable number.

651385032653 is a deficient number, since it is larger than the sum of its proper divisors (1).

651385032653 is an equidigital number, since it uses as much as digits as its factorization.

651385032653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 651385032653 in words is "six hundred fifty-one billion, three hundred eighty-five million, thirty-two thousand, six hundred fifty-three".