41681454077 has 2 divisors, whose sum is σ = 41681454078. Its totient is φ = 41681454076.

The previous prime is 41681453981. The next prime is 41681454091. The reversal of 41681454077 is 77045418614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41132301721 + 549152356 = 202811^2 + 23434^2 .

It is a cyclic number.

It is not a de Polignac number, because 41681454077 - 2¹² = 41681449981 is a prime.

It is a super-2 number, since 2×41681454077² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41681454677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20840727038 + 20840727039.

It is an arithmetic number, because the mean of its divisors is an integer number (20840727039).

Almost surely, 2^41681454077 is an apocalyptic number.

It is an amenable number.

41681454077 is a deficient number, since it is larger than the sum of its proper divisors (1).

41681454077 is an equidigital number, since it uses as much as digits as its factorization.

41681454077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 41681454077 in words is "forty-one billion, six hundred eighty-one million, four hundred fifty-four thousand, seventy-seven".