38145996099 has 12 divisors (see below), whose sum is σ = 55102593312. Its totient is φ = 25429362000.

The previous prime is 38145996089. The next prime is 38145996101. The reversal of 38145996099 is 99069954183.

38145996099 is a `hidden beast` number, since 3 + 8 + 1 + 459 + 96 + 0 + 99 = 666.

38145996099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 195310²-1.

It is not a de Polignac number, because 38145996099 - 2¹³ = 38145987907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38145996089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97654 + ... + 292964.

It is an arithmetic number, because the mean of its divisors is an integer number (4591882776).

Almost surely, 2^38145996099 is an apocalyptic number.

38145996099 is a deficient number, since it is larger than the sum of its proper divisors (16956597213).

38145996099 is a wasteful number, since it uses less digits than its factorization.

38145996099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217018 (or 217015 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 63.

The spelling of 38145996099 in words is "thirty-eight billion, one hundred forty-five million, nine hundred ninety-six thousand, ninety-nine".