4170759617891 has 2 divisors, whose sum is σ = 4170759617892. Its totient is φ = 4170759617890.

The previous prime is 4170759617887. The next prime is 4170759617911. The reversal of 4170759617891 is 1987169570714.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4170759617891 - 2² = 4170759617887 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4170759617821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2085379808945 + 2085379808946.

It is an arithmetic number, because the mean of its divisors is an integer number (2085379808946).

Almost surely, 2^{4170759617891} is an apocalyptic number.

4170759617891 is a deficient number, since it is larger than the sum of its proper divisors (1).

4170759617891 is an equidigital number, since it uses as much as digits as its factorization.

4170759617891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26671680, while the sum is 65.

The spelling of 4170759617891 in words is "four trillion, one hundred seventy billion, seven hundred fifty-nine million, six hundred seventeen thousand, eight hundred ninety-one".