651343554343 has 2 divisors, whose sum is σ = 651343554344. Its totient is φ = 651343554342.

The previous prime is 651343554299. The next prime is 651343554361. The reversal of 651343554343 is 343455343156.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-651343554343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 651343554293 and 651343554302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (651343558343) 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, 325671777171 + 325671777172.

It is an arithmetic number, because the mean of its divisors is an integer number (325671777172).

Almost surely, 2^651343554343 is an apocalyptic number.

651343554343 is a deficient number, since it is larger than the sum of its proper divisors (1).

651343554343 is an equidigital number, since it uses as much as digits as its factorization.

651343554343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888000, while the sum is 46.

Adding to 651343554343 its reverse (343455343156), we get a palindrome (994798897499).

The spelling of 651343554343 in words is "six hundred fifty-one billion, three hundred forty-three million, five hundred fifty-four thousand, three hundred forty-three".