40383313939 has 2 divisors, whose sum is σ = 40383313940. Its totient is φ = 40383313938.

The previous prime is 40383313909. The next prime is 40383313961. The reversal of 40383313939 is 93931338304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40383313939 - 2⁹ = 40383313427 is a prime.

It is not a weakly prime, because it can be changed into another prime (40383313909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20191656969 + 20191656970.

It is an arithmetic number, because the mean of its divisors is an integer number (20191656970).

Almost surely, 2^40383313939 is an apocalyptic number.

40383313939 is a deficient number, since it is larger than the sum of its proper divisors (1).

40383313939 is an equidigital number, since it uses as much as digits as its factorization.

40383313939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 629856, while the sum is 46.

The spelling of 40383313939 in words is "forty billion, three hundred eighty-three million, three hundred thirteen thousand, nine hundred thirty-nine".