41386218349 has 6 divisors (see below), whose sum is σ = 48143152014. Its totient is φ = 35473901400.

The previous prime is 41386218347. The next prime is 41386218407. The reversal of 41386218349 is 94381268314.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 41354069449 + 32148900 = 203357^2 + 5670^2 .

It is not a de Polignac number, because 41386218349 - 2¹ = 41386218347 is a prime.

It is a super-2 number, since 2×41386218349² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 844616701 = 41386218349 / (4 + 1 + 3 + 8 + 6 + 2 + 1 + 8 + 3 + 4 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41386218347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 422308302 + ... + 422308399.

It is an arithmetic number, because the mean of its divisors is an integer number (8023858669).

Almost surely, 2^41386218349 is an apocalyptic number.

41386218349 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

41386218349 is a deficient number, since it is larger than the sum of its proper divisors (6756933665).

41386218349 is an equidigital number, since it uses as much as digits as its factorization.

41386218349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844616715 (or 844616708 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The spelling of 41386218349 in words is "forty-one billion, three hundred eighty-six million, two hundred eighteen thousand, three hundred forty-nine".