38112920099 has 2 divisors, whose sum is σ = 38112920100. Its totient is φ = 38112920098.

The previous prime is 38112920081. The next prime is 38112920107. The reversal of 38112920099 is 99002921183.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38112920099 - 2¹² = 38112916003 is a prime.

It is not a weakly prime, because it can be changed into another prime (38112920029) 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, 19056460049 + 19056460050.

It is an arithmetic number, because the mean of its divisors is an integer number (19056460050).

Almost surely, 2^38112920099 is an apocalyptic number.

38112920099 is a deficient number, since it is larger than the sum of its proper divisors (1).

38112920099 is an equidigital number, since it uses as much as digits as its factorization.

38112920099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 44.

The spelling of 38112920099 in words is "thirty-eight billion, one hundred twelve million, nine hundred twenty thousand, ninety-nine".