39343312091 has 2 divisors, whose sum is σ = 39343312092. Its totient is φ = 39343312090.

The previous prime is 39343312067. The next prime is 39343312117. The reversal of 39343312091 is 19021334393.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39343312091 - 2¹⁴ = 39343295707 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (39343312051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19671656045 + 19671656046.

It is an arithmetic number, because the mean of its divisors is an integer number (19671656046).

Almost surely, 2^39343312091 is an apocalyptic number.

39343312091 is a deficient number, since it is larger than the sum of its proper divisors (1).

39343312091 is an equidigital number, since it uses as much as digits as its factorization.

39343312091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 38.

The spelling of 39343312091 in words is "thirty-nine billion, three hundred forty-three million, three hundred twelve thousand, ninety-one".