651271406743 has 2 divisors, whose sum is σ = 651271406744. Its totient is φ = 651271406742.

The previous prime is 651271406651. The next prime is 651271406771. The reversal of 651271406743 is 347604172156.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 651271406743 - 2³⁷ = 513832453271 is a prime.

It is a super-2 number, since 2×651271406743² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 651271406693 and 651271406702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (651271406143) 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, 325635703371 + 325635703372.

It is an arithmetic number, because the mean of its divisors is an integer number (325635703372).

Almost surely, 2^651271406743 is an apocalyptic number.

651271406743 is a deficient number, since it is larger than the sum of its proper divisors (1).

651271406743 is an equidigital number, since it uses as much as digits as its factorization.

651271406743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 46.

Adding to 651271406743 its reverse (347604172156), we get a palindrome (998875578899).

The spelling of 651271406743 in words is "six hundred fifty-one billion, two hundred seventy-one million, four hundred six thousand, seven hundred forty-three".