149471336171 has 2 divisors, whose sum is σ = 149471336172. Its totient is φ = 149471336170.

The previous prime is 149471336111. The next prime is 149471336173. The reversal of 149471336171 is 171633174941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149471336171 - 2⁶ = 149471336107 is a prime.

Together with 149471336173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149471336173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74735668085 + 74735668086.

It is an arithmetic number, because the mean of its divisors is an integer number (74735668086).

Almost surely, 2^149471336171 is an apocalyptic number.

149471336171 is a deficient number, since it is larger than the sum of its proper divisors (1).

149471336171 is an equidigital number, since it uses as much as digits as its factorization.

149471336171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 47.

The spelling of 149471336171 in words is "one hundred forty-nine billion, four hundred seventy-one million, three hundred thirty-six thousand, one hundred seventy-one".