41673421261 has 4 divisors (see below), whose sum is σ = 41674635072. Its totient is φ = 41672207452.

The previous prime is 41673421253. The next prime is 41673421327. The reversal of 41673421261 is 16212437614.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16212437614 = 2 ⋅8106218807.

It is a cyclic number.

It is not a de Polignac number, because 41673421261 - 2³ = 41673421253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41673421261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41673421661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553861 + ... + 624586.

It is an arithmetic number, because the mean of its divisors is an integer number (10418658768).

Almost surely, 2^41673421261 is an apocalyptic number.

It is an amenable number.

41673421261 is a deficient number, since it is larger than the sum of its proper divisors (1213811).

41673421261 is a wasteful number, since it uses less digits than its factorization.

41673421261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213810.

The product of its digits is 48384, while the sum is 37.

Adding to 41673421261 its reverse (16212437614), we get a palindrome (57885858875).

The spelling of 41673421261 in words is "forty-one billion, six hundred seventy-three million, four hundred twenty-one thousand, two hundred sixty-one".