41034543421 has 2 divisors, whose sum is σ = 41034543422. Its totient is φ = 41034543420.

The previous prime is 41034543397. The next prime is 41034543439. The reversal of 41034543421 is 12434543014.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39269367225 + 1765176196 = 198165^2 + 42014^2 .

It is a cyclic number.

It is not a de Polignac number, because 41034543421 - 2⁹ = 41034542909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41034543461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20517271710 + 20517271711.

It is an arithmetic number, because the mean of its divisors is an integer number (20517271711).

Almost surely, 2^41034543421 is an apocalyptic number.

It is an amenable number.

41034543421 is a deficient number, since it is larger than the sum of its proper divisors (1).

41034543421 is an equidigital number, since it uses as much as digits as its factorization.

41034543421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 41034543421 in words is "forty-one billion, thirty-four million, five hundred forty-three thousand, four hundred twenty-one".