18706733343 has 48 divisors (see below), whose sum is σ = 29147040000. Its totient is φ = 11518076160.

The previous prime is 18706733329. The next prime is 18706733371. The reversal of 18706733343 is 34333760781.

It is not a de Polignac number, because 18706733343 - 2¹² = 18706729247 is a prime.

It is a super-2 number, since 2×18706733343² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18706733303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6236158 + ... + 6239156.

It is an arithmetic number, because the mean of its divisors is an integer number (607230000).

Almost surely, 2^18706733343 is an apocalyptic number.

18706733343 is a deficient number, since it is larger than the sum of its proper divisors (10440306657).

18706733343 is a wasteful number, since it uses less digits than its factorization.

18706733343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772 (or 3769 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 18706733343 in words is "eighteen billion, seven hundred six million, seven hundred thirty-three thousand, three hundred forty-three".