40045353193 has 2 divisors, whose sum is σ = 40045353194. Its totient is φ = 40045353192.

The previous prime is 40045353143. The next prime is 40045353209. The reversal of 40045353193 is 39135354004.

40045353193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33904593424 + 6140759769 = 184132^2 + 78363^2 .

It is a cyclic number.

It is not a de Polignac number, because 40045353193 - 2⁹ = 40045352681 is a prime.

It is not a weakly prime, because it can be changed into another prime (40045353143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20022676596 + 20022676597.

It is an arithmetic number, because the mean of its divisors is an integer number (20022676597).

Almost surely, 2^40045353193 is an apocalyptic number.

It is an amenable number.

40045353193 is a deficient number, since it is larger than the sum of its proper divisors (1).

40045353193 is an equidigital number, since it uses as much as digits as its factorization.

40045353193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 40045353193 in words is "forty billion, forty-five million, three hundred fifty-three thousand, one hundred ninety-three".