18472859903 has 8 divisors (see below), whose sum is σ = 18665323536. Its totient is φ = 18280584000.

The previous prime is 18472859879. The next prime is 18472859921. The reversal of 18472859903 is 30995827481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18472859903 - 2¹⁰ = 18472858879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18472859983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155408 + ... + 247178.

It is an arithmetic number, because the mean of its divisors is an integer number (2333165442).

Almost surely, 2^18472859903 is an apocalyptic number.

18472859903 is a deficient number, since it is larger than the sum of its proper divisors (192463633).

18472859903 is a wasteful number, since it uses less digits than its factorization.

18472859903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93865.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 18472859903 in words is "eighteen billion, four hundred seventy-two million, eight hundred fifty-nine thousand, nine hundred three".