39677816099 has 2 divisors, whose sum is σ = 39677816100. Its totient is φ = 39677816098.

The previous prime is 39677816069. The next prime is 39677816177. The reversal of 39677816099 is 99061877693.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39677816099 - 2³² = 35382848803 is a prime.

It is not a weakly prime, because it can be changed into another prime (39677816039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19838908049 + 19838908050.

It is an arithmetic number, because the mean of its divisors is an integer number (19838908050).

Almost surely, 2^39677816099 is an apocalyptic number.

39677816099 is a deficient number, since it is larger than the sum of its proper divisors (1).

39677816099 is an equidigital number, since it uses as much as digits as its factorization.

39677816099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30862944, while the sum is 65.

The spelling of 39677816099 in words is "thirty-nine billion, six hundred seventy-seven million, eight hundred sixteen thousand, ninety-nine".