171418618379 has 2 divisors, whose sum is σ = 171418618380. Its totient is φ = 171418618378.

The previous prime is 171418618373. The next prime is 171418618463. The reversal of 171418618379 is 973816814171.

It is a weak prime.

It is an emirp because it is prime and its reverse (973816814171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 171418618379 - 2⁸ = 171418618123 is a prime.

It is not a weakly prime, because it can be changed into another prime (171418618373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85709309189 + 85709309190.

It is an arithmetic number, because the mean of its divisors is an integer number (85709309190).

Almost surely, 2^171418618379 is an apocalyptic number.

171418618379 is a deficient number, since it is larger than the sum of its proper divisors (1).

171418618379 is an equidigital number, since it uses as much as digits as its factorization.

171418618379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 56.

The spelling of 171418618379 in words is "one hundred seventy-one billion, four hundred eighteen million, six hundred eighteen thousand, three hundred seventy-nine".