41091643 has 8 divisors (see below), whose sum is σ = 41568912. Its totient is φ = 40617216.

The previous prime is 41091641. The next prime is 41091649. The reversal of 41091643 is 34619014.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41091643 - 2¹ = 41091641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41091641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41571 + ... + 42547.

It is an arithmetic number, because the mean of its divisors is an integer number (5196114).

Almost surely, 2^41091643 is an apocalyptic number.

41091643 is a deficient number, since it is larger than the sum of its proper divisors (477269).

41091643 is a wasteful number, since it uses less digits than its factorization.

41091643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 41091643 is about 6410.2763590972. The cubic root of 41091643 is about 345.0784474694.

The spelling of 41091643 in words is "forty-one million, ninety-one thousand, six hundred forty-three".