97838807442143 has 2 divisors, whose sum is σ = 97838807442144. Its totient is φ = 97838807442142.

The previous prime is 97838807442113. The next prime is 97838807442239. The reversal of 97838807442143 is 34124470883879.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97838807442143 - 2¹⁸ = 97838807179999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97838807442113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48919403721071 + 48919403721072.

It is an arithmetic number, because the mean of its divisors is an integer number (48919403721072).

Almost surely, 2^{97838807442143} is an apocalyptic number.

97838807442143 is a deficient number, since it is larger than the sum of its proper divisors (1).

97838807442143 is an equidigital number, since it uses as much as digits as its factorization.

97838807442143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 260112384, while the sum is 68.

The spelling of 97838807442143 in words is "ninety-seven trillion, eight hundred thirty-eight billion, eight hundred seven million, four hundred forty-two thousand, one hundred forty-three".