41688247329 has 9 divisors (see below), whose sum is σ = 60217242033. Its totient is φ = 27791756532.

The previous prime is 41688247327. The next prime is 41688247333. The reversal of 41688247329 is 92374288614.

The square root of 41688247329 is 204177.

It is a perfect power (a square), and thus also a powerful number.

41688247329 is a `hidden beast` number, since 4 + 168 + 8 + 2 + 473 + 2 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 41688247329 - 2¹ = 41688247327 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41688247327) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 578502 + ... + 646560.

Almost surely, 2^41688247329 is an apocalyptic number.

41688247329 is the 204177-th square number.

41688247329 is the 102089-th centered octagonal number.

It is an amenable number.

41688247329 is a deficient number, since it is larger than the sum of its proper divisors (18528994704).

41688247329 is an frugal number, since it uses more digits than its factorization.

41688247329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136124 (or 68062 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 41688247329 in words is "forty-one billion, six hundred eighty-eight million, two hundred forty-seven thousand, three hundred twenty-nine".