41402121049 has 2 divisors, whose sum is σ = 41402121050. Its totient is φ = 41402121048.

The previous prime is 41402121041. The next prime is 41402121097. The reversal of 41402121049 is 94012120414.

41402121049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37740055824 + 3662065225 = 194268^2 + 60515^2 .

It is a cyclic number.

It is not a de Polignac number, because 41402121049 - 2³ = 41402121041 is a prime.

It is not a weakly prime, because it can be changed into another prime (41402121041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20701060524 + 20701060525.

It is an arithmetic number, because the mean of its divisors is an integer number (20701060525).

Almost surely, 2^41402121049 is an apocalyptic number.

It is an amenable number.

41402121049 is a deficient number, since it is larger than the sum of its proper divisors (1).

41402121049 is an equidigital number, since it uses as much as digits as its factorization.

41402121049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 41402121049 in words is "forty-one billion, four hundred two million, one hundred twenty-one thousand, forty-nine".