18150033938 has 16 divisors (see below), whose sum is σ = 27271157760. Its totient is φ = 9059663136.

The previous prime is 18150033929. The next prime is 18150033947. The reversal of 18150033938 is 83933005181.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18150033929) and next prime (18150033947).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18150033895 and 18150033904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3856895 + ... + 3861597.

It is an arithmetic number, because the mean of its divisors is an integer number (1704447360).

Almost surely, 2^18150033938 is an apocalyptic number.

18150033938 is a deficient number, since it is larger than the sum of its proper divisors (9121123822).

18150033938 is a wasteful number, since it uses less digits than its factorization.

18150033938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7561.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 18150033938 in words is "eighteen billion, one hundred fifty million, thirty-three thousand, nine hundred thirty-eight".