38670216899 has 2 divisors, whose sum is σ = 38670216900. Its totient is φ = 38670216898.

The previous prime is 38670216847. The next prime is 38670216941. The reversal of 38670216899 is 99861207683.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38670216899 - 2⁸ = 38670216643 is a prime.

It is not a weakly prime, because it can be changed into another prime (38670216839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19335108449 + 19335108450.

It is an arithmetic number, because the mean of its divisors is an integer number (19335108450).

Almost surely, 2^38670216899 is an apocalyptic number.

38670216899 is a deficient number, since it is larger than the sum of its proper divisors (1).

38670216899 is an equidigital number, since it uses as much as digits as its factorization.

38670216899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 38670216899 in words is "thirty-eight billion, six hundred seventy million, two hundred sixteen thousand, eight hundred ninety-nine".