41406804249 has 4 divisors (see below), whose sum is σ = 55209072336. Its totient is φ = 27604536164.

The previous prime is 41406804247. The next prime is 41406804289. The reversal of 41406804249 is 94240860414.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41406804249 - 2¹ = 41406804247 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 41406804249.

It is not an unprimeable number, because it can be changed into a prime (41406804247) 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, 6901134039 + ... + 6901134044.

It is an arithmetic number, because the mean of its divisors is an integer number (13802268084).

Almost surely, 2^41406804249 is an apocalyptic number.

It is an amenable number.

41406804249 is a deficient number, since it is larger than the sum of its proper divisors (13802268087).

41406804249 is a wasteful number, since it uses less digits than its factorization.

41406804249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13802268086.

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 41406804249 in words is "forty-one billion, four hundred six million, eight hundred four thousand, two hundred forty-nine".