39937091099 has 2 divisors, whose sum is σ = 39937091100. Its totient is φ = 39937091098.

The previous prime is 39937091087. The next prime is 39937091119. The reversal of 39937091099 is 99019073993.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39937091099 is a prime.

It is not a weakly prime, because it can be changed into another prime (39937091599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19968545549 + 19968545550.

It is an arithmetic number, because the mean of its divisors is an integer number (19968545550).

Almost surely, 2^39937091099 is an apocalyptic number.

39937091099 is a deficient number, since it is larger than the sum of its proper divisors (1).

39937091099 is an equidigital number, since it uses as much as digits as its factorization.

39937091099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3720087, while the sum is 59.

The spelling of 39937091099 in words is "thirty-nine billion, nine hundred thirty-seven million, ninety-one thousand, ninety-nine".