18952500338 has 32 divisors (see below), whose sum is σ = 29360620800. Its totient is φ = 9171017856.

The previous prime is 18952500331. The next prime is 18952500341. The reversal of 18952500338 is 83300525981.

It is a super-2 number, since 2×18952500338² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18952500331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4365773 + ... + 4370111.

It is an arithmetic number, because the mean of its divisors is an integer number (917519400).

Almost surely, 2^18952500338 is an apocalyptic number.

18952500338 is a deficient number, since it is larger than the sum of its proper divisors (10408120462).

18952500338 is a wasteful number, since it uses less digits than its factorization.

18952500338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4946.

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 18952500338 in words is "eighteen billion, nine hundred fifty-two million, five hundred thousand, three hundred thirty-eight".