18408293103 has 8 divisors (see below), whose sum is σ = 24584173488. Its totient is φ = 12252304064.

The previous prime is 18408292963. The next prime is 18408293131. The reversal of 18408293103 is 30139280481.

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 18408293103 - 2¹⁸ = 18408030959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18408293173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4970676 + ... + 4974377.

It is an arithmetic number, because the mean of its divisors is an integer number (3073021686).

Almost surely, 2^18408293103 is an apocalyptic number.

18408293103 is a deficient number, since it is larger than the sum of its proper divisors (6175880385).

18408293103 is an equidigital number, since it uses as much as digits as its factorization.

18408293103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9945673.

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 18408293103 in words is "eighteen billion, four hundred eight million, two hundred ninety-three thousand, one hundred three".