172414172471 has 2 divisors, whose sum is σ = 172414172472. Its totient is φ = 172414172470.

The previous prime is 172414172449. The next prime is 172414172543. The reversal of 172414172471 is 174271414271.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172414172471 is a prime.

It is a super-3 number, since 3×172414172471³ (a number of 35 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172414172401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86207086235 + 86207086236.

It is an arithmetic number, because the mean of its divisors is an integer number (86207086236).

Almost surely, 2^172414172471 is an apocalyptic number.

172414172471 is a deficient number, since it is larger than the sum of its proper divisors (1).

172414172471 is an equidigital number, since it uses as much as digits as its factorization.

172414172471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87808, while the sum is 41.

The spelling of 172414172471 in words is "one hundred seventy-two billion, four hundred fourteen million, one hundred seventy-two thousand, four hundred seventy-one".