651736894201 has 2 divisors, whose sum is σ = 651736894202. Its totient is φ = 651736894200.

The previous prime is 651736894199. The next prime is 651736894217. The reversal of 651736894201 is 102498637156.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 585225000000 + 66511894201 = 765000^2 + 257899^2 .

It is a cyclic number.

It is not a de Polignac number, because 651736894201 - 2¹ = 651736894199 is a prime.

Together with 651736894199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (651736894801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325868447100 + 325868447101.

It is an arithmetic number, because the mean of its divisors is an integer number (325868447101).

It is a 1-persistent number, because it is pandigital, but 2⋅651736894201 = 1303473788402 is not.

Almost surely, 2^651736894201 is an apocalyptic number.

It is an amenable number.

651736894201 is a deficient number, since it is larger than the sum of its proper divisors (1).

651736894201 is an equidigital number, since it uses as much as digits as its factorization.

651736894201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 651736894201 in words is "six hundred fifty-one billion, seven hundred thirty-six million, eight hundred ninety-four thousand, two hundred one".