861446193703 has 2 divisors, whose sum is σ = 861446193704. Its totient is φ = 861446193702.

The previous prime is 861446193697. The next prime is 861446193719. The reversal of 861446193703 is 307391644168.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 861446193703 - 2⁹ = 861446193191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (861446193203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430723096851 + 430723096852.

It is an arithmetic number, because the mean of its divisors is an integer number (430723096852).

Almost surely, 2^861446193703 is an apocalyptic number.

861446193703 is a deficient number, since it is larger than the sum of its proper divisors (1).

861446193703 is an equidigital number, since it uses as much as digits as its factorization.

861446193703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 861446193703 in words is "eight hundred sixty-one billion, four hundred forty-six million, one hundred ninety-three thousand, seven hundred three".