196424871571 has 2 divisors, whose sum is σ = 196424871572. Its totient is φ = 196424871570.

The previous prime is 196424871479. The next prime is 196424871583. The reversal of 196424871571 is 175178424691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196424871571 - 2²⁵ = 196391317139 is a prime.

It is not a weakly prime, because it can be changed into another prime (196424971571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98212435785 + 98212435786.

It is an arithmetic number, because the mean of its divisors is an integer number (98212435786).

Almost surely, 2^196424871571 is an apocalyptic number.

196424871571 is a deficient number, since it is larger than the sum of its proper divisors (1).

196424871571 is an equidigital number, since it uses as much as digits as its factorization.

196424871571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 55.

The spelling of 196424871571 in words is "one hundred ninety-six billion, four hundred twenty-four million, eight hundred seventy-one thousand, five hundred seventy-one".