41691509047 has 4 divisors (see below), whose sum is σ = 43129147320. Its totient is φ = 40253870776.

The previous prime is 41691509029. The next prime is 41691509077. The reversal of 41691509047 is 74090519614.

41691509047 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, and also an emirpimes, since its reverse is a distinct semiprime: 74090519614 = 2 ⋅37045259807.

It is a cyclic number.

It is not a de Polignac number, because 41691509047 - 2⁷ = 41691508919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41691508988 and 41691509006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41691509077) 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, 718819093 + ... + 718819150.

It is an arithmetic number, because the mean of its divisors is an integer number (10782286830).

Almost surely, 2^41691509047 is an apocalyptic number.

41691509047 is a deficient number, since it is larger than the sum of its proper divisors (1437638273).

41691509047 is a wasteful number, since it uses less digits than its factorization.

41691509047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437638272.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 41691509047 in words is "forty-one billion, six hundred ninety-one million, five hundred nine thousand, forty-seven".