41688711481 has 4 divisors (see below), whose sum is σ = 42705509364. Its totient is φ = 40671913600.

The previous prime is 41688711473. The next prime is 41688711551. The reversal of 41688711481 is 18411788614.

It is a happy number.

41688711481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11911757881 + 29776953600 = 109141^2 + 172560^2 .

It is a cyclic number.

It is not a de Polignac number, because 41688711481 - 2³ = 41688711473 is a prime.

It is a super-2 number, since 2×41688711481² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41688711401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508398880 + ... + 508398961.

It is an arithmetic number, because the mean of its divisors is an integer number (10676377341).

Almost surely, 2^41688711481 is an apocalyptic number.

41688711481 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

41688711481 is a deficient number, since it is larger than the sum of its proper divisors (1016797883).

41688711481 is a wasteful number, since it uses less digits than its factorization.

41688711481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016797882.

The product of its digits is 344064, while the sum is 49.

The spelling of 41688711481 in words is "forty-one billion, six hundred eighty-eight million, seven hundred eleven thousand, four hundred eighty-one".