171459468431 has 16 divisors (see below), whose sum is σ = 189277248000. Its totient is φ = 154592035488.

The previous prime is 171459468359. The next prime is 171459468437. The reversal of 171459468431 is 134864954171.

It is a cyclic number.

It is not a de Polignac number, because 171459468431 - 2²² = 171455274127 is a prime.

It is a super-2 number, since 2×171459468431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171459468437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 898856 + ... + 1072781.

It is an arithmetic number, because the mean of its divisors is an integer number (11829828000).

Almost surely, 2^171459468431 is an apocalyptic number.

171459468431 is a deficient number, since it is larger than the sum of its proper divisors (17817779569).

171459468431 is a wasteful number, since it uses less digits than its factorization.

171459468431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971878.

The product of its digits is 2903040, while the sum is 53.

The spelling of 171459468431 in words is "one hundred seventy-one billion, four hundred fifty-nine million, four hundred sixty-eight thousand, four hundred thirty-one".