651134771543 has 2 divisors, whose sum is σ = 651134771544. Its totient is φ = 651134771542.

The previous prime is 651134771503. The next prime is 651134771569. The reversal of 651134771543 is 345177431156.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 651134771543 - 2³⁴ = 633954902359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (651134771503) 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, 325567385771 + 325567385772.

It is an arithmetic number, because the mean of its divisors is an integer number (325567385772).

Almost surely, 2^651134771543 is an apocalyptic number.

651134771543 is a deficient number, since it is larger than the sum of its proper divisors (1).

651134771543 is an equidigital number, since it uses as much as digits as its factorization.

651134771543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 47.

The spelling of 651134771543 in words is "six hundred fifty-one billion, one hundred thirty-four million, seven hundred seventy-one thousand, five hundred forty-three".