650870621743 has 2 divisors, whose sum is σ = 650870621744. Its totient is φ = 650870621742.

The previous prime is 650870621719. The next prime is 650870621809. The reversal of 650870621743 is 347126078056.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650870621743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650870621143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325435310871 + 325435310872.

It is an arithmetic number, because the mean of its divisors is an integer number (325435310872).

Almost surely, 2^650870621743 is an apocalyptic number.

650870621743 is a deficient number, since it is larger than the sum of its proper divisors (1).

650870621743 is an equidigital number, since it uses as much as digits as its factorization.

650870621743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 49.

Adding to 650870621743 its reverse (347126078056), we get a palindrome (997996699799).

The spelling of 650870621743 in words is "six hundred fifty billion, eight hundred seventy million, six hundred twenty-one thousand, seven hundred forty-three".