40396091999993 has 2 divisors, whose sum is σ = 40396091999994. Its totient is φ = 40396091999992.

The previous prime is 40396091999987. The next prime is 40396092000059. The reversal of 40396091999993 is 39999919069304.

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., 26130989975104 + 14265102024889 = 5111848^2 + 3776917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40396091999993 is a prime.

It is not a weakly prime, because it can be changed into another prime (40396091909993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20198045999996 + 20198045999997.

It is an arithmetic number, because the mean of its divisors is an integer number (20198045999997).

Almost surely, 2^{40396091999993} is an apocalyptic number.

It is an amenable number.

40396091999993 is a deficient number, since it is larger than the sum of its proper divisors (1).

40396091999993 is an equidigital number, since it uses as much as digits as its factorization.

40396091999993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1033121304, while the sum is 80.

The spelling of 40396091999993 in words is "forty trillion, three hundred ninety-six billion, ninety-one million, nine hundred ninety-nine thousand, nine hundred ninety-three".