41212018993 has 2 divisors, whose sum is σ = 41212018994. Its totient is φ = 41212018992.

The previous prime is 41212018979. The next prime is 41212019063. The reversal of 41212018993 is 39981021214.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34980969024 + 6231049969 = 187032^2 + 78937^2 .

It is a cyclic number.

It is not a de Polignac number, because 41212018993 - 2¹⁷ = 41211887921 is a prime.

It is not a weakly prime, because it can be changed into another prime (41212018693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20606009496 + 20606009497.

It is an arithmetic number, because the mean of its divisors is an integer number (20606009497).

Almost surely, 2^41212018993 is an apocalyptic number.

It is an amenable number.

41212018993 is a deficient number, since it is larger than the sum of its proper divisors (1).

41212018993 is an equidigital number, since it uses as much as digits as its factorization.

41212018993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 41212018993 in words is "forty-one billion, two hundred twelve million, eighteen thousand, nine hundred ninety-three".