2151413171 has 2 divisors, whose sum is σ = 2151413172. Its totient is φ = 2151413170.

The previous prime is 2151413167. The next prime is 2151413177. The reversal of 2151413171 is 1713141512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2151413171 - 2² = 2151413167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2151413171.

It is not a weakly prime, because it can be changed into another prime (2151413177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075706585 + 1075706586.

It is an arithmetic number, because the mean of its divisors is an integer number (1075706586).

Almost surely, 2^2151413171 is an apocalyptic number.

2151413171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151413171 is an equidigital number, since it uses as much as digits as its factorization.

2151413171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 26.

The square root of 2151413171 is about 46383.3285890523. The cubic root of 2151413171 is about 1290.9455981754.

Adding to 2151413171 its reverse (1713141512), we get a palindrome (3864554683).

The spelling of 2151413171 in words is "two billion, one hundred fifty-one million, four hundred thirteen thousand, one hundred seventy-one".