2174240424691 has 2 divisors, whose sum is σ = 2174240424692. Its totient is φ = 2174240424690.

The previous prime is 2174240424647. The next prime is 2174240424749. The reversal of 2174240424691 is 1964240424712.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2174240424691 - 2⁷ = 2174240424563 is a prime.

It is not a weakly prime, because it can be changed into another prime (2174240424611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1087120212345 + 1087120212346.

It is an arithmetic number, because the mean of its divisors is an integer number (1087120212346).

Almost surely, 2^{2174240424691} is an apocalyptic number.

2174240424691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2174240424691 is an equidigital number, since it uses as much as digits as its factorization.

2174240424691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 2174240424691 in words is "two trillion, one hundred seventy-four billion, two hundred forty million, four hundred twenty-four thousand, six hundred ninety-one".