18499329268273 has 8 divisors (see below), whose sum is σ = 21163598322048. Its totient is φ = 15840437146944.

The previous prime is 18499329268249. The next prime is 18499329268291. The reversal of 18499329268273 is 37286292399481.

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 18499329268273 - 2⁹ = 18499329267761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18499329268196 and 18499329268205.

It is not an unprimeable number, because it can be changed into a prime (18499329208273) 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, 1344225736 + ... + 1344239497.

It is an arithmetic number, because the mean of its divisors is an integer number (2645449790256).

Almost surely, 2^{18499329268273} is an apocalyptic number.

It is an amenable number.

18499329268273 is a deficient number, since it is larger than the sum of its proper divisors (2664269053775).

18499329268273 is an equidigital number, since it uses as much as digits as its factorization.

18499329268273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688466223.

The product of its digits is 564350976, while the sum is 73.

The spelling of 18499329268273 in words is "eighteen trillion, four hundred ninety-nine billion, three hundred twenty-nine million, two hundred sixty-eight thousand, two hundred seventy-three".