41845183421 has 2 divisors, whose sum is σ = 41845183422. Its totient is φ = 41845183420.

The previous prime is 41845183379. The next prime is 41845183427. The reversal of 41845183421 is 12438154814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37243596196 + 4601587225 = 192986^2 + 67835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41845183421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41845183427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20922591710 + 20922591711.

It is an arithmetic number, because the mean of its divisors is an integer number (20922591711).

Almost surely, 2^41845183421 is an apocalyptic number.

It is an amenable number.

41845183421 is a deficient number, since it is larger than the sum of its proper divisors (1).

41845183421 is an equidigital number, since it uses as much as digits as its factorization.

41845183421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122880, while the sum is 41.

The spelling of 41845183421 in words is "forty-one billion, eight hundred forty-five million, one hundred eighty-three thousand, four hundred twenty-one".