41961280643 has 2 divisors, whose sum is σ = 41961280644. Its totient is φ = 41961280642.

The previous prime is 41961280633. The next prime is 41961280703. The reversal of 41961280643 is 34608216914.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41961280643 - 2⁶ = 41961280579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41961280594 and 41961280603.

It is not a weakly prime, because it can be changed into another prime (41961280633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20980640321 + 20980640322.

It is an arithmetic number, because the mean of its divisors is an integer number (20980640322).

Almost surely, 2^41961280643 is an apocalyptic number.

41961280643 is a deficient number, since it is larger than the sum of its proper divisors (1).

41961280643 is an equidigital number, since it uses as much as digits as its factorization.

41961280643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 41961280643 in words is "forty-one billion, nine hundred sixty-one million, two hundred eighty thousand, six hundred forty-three".