651933877037 has 2 divisors, whose sum is σ = 651933877038. Its totient is φ = 651933877036.

The previous prime is 651933876989. The next prime is 651933877069. The reversal of 651933877037 is 730778339156.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 633569832841 + 18364044196 = 795971^2 + 135514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-651933877037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (651933877087) 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 as a sum of consecutive naturals, namely, 325966938518 + 325966938519.

It is an arithmetic number, because the mean of its divisors is an integer number (325966938519).

Almost surely, 2^651933877037 is an apocalyptic number.

It is an amenable number.

651933877037 is a deficient number, since it is larger than the sum of its proper divisors (1).

651933877037 is an equidigital number, since it uses as much as digits as its factorization.

651933877037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20003760, while the sum is 59.

The spelling of 651933877037 in words is "six hundred fifty-one billion, nine hundred thirty-three million, eight hundred seventy-seven thousand, thirty-seven".