651346287133 has 2 divisors, whose sum is σ = 651346287134. Its totient is φ = 651346287132.

The previous prime is 651346287037. The next prime is 651346287173. The reversal of 651346287133 is 331782643156.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 645858144409 + 5488142724 = 803653^2 + 74082^2 .

It is a cyclic number.

It is not a de Polignac number, because 651346287133 - 2⁹ = 651346286621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (651346287173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325673143566 + 325673143567.

It is an arithmetic number, because the mean of its divisors is an integer number (325673143567).

Almost surely, 2^651346287133 is an apocalyptic number.

It is an amenable number.

651346287133 is a deficient number, since it is larger than the sum of its proper divisors (1).

651346287133 is an equidigital number, since it uses as much as digits as its factorization.

651346287133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 49.

The spelling of 651346287133 in words is "six hundred fifty-one billion, three hundred forty-six million, two hundred eighty-seven thousand, one hundred thirty-three".