18982309343 has 6 divisors (see below), whose sum is σ = 19158068664. Its totient is φ = 18808147944.

The previous prime is 18982309337. The next prime is 18982309399. The reversal of 18982309343 is 34390328981.

It is a happy number.

It is not a de Polignac number, because 18982309343 - 2¹⁶ = 18982243807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18982309291 and 18982309300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18982309943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 786971 + ... + 810732.

It is an arithmetic number, because the mean of its divisors is an integer number (3193011444).

Almost surely, 2^18982309343 is an apocalyptic number.

18982309343 is a deficient number, since it is larger than the sum of its proper divisors (175759321).

18982309343 is an equidigital number, since it uses as much as digits as its factorization.

18982309343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597921 (or 1597812 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 18982309343 in words is "eighteen billion, nine hundred eighty-two million, three hundred nine thousand, three hundred forty-three".