18840526343 has 2 divisors, whose sum is σ = 18840526344. Its totient is φ = 18840526342.

The previous prime is 18840526333. The next prime is 18840526357. The reversal of 18840526343 is 34362504881.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18840526343 - 2²⁴ = 18823749127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18840526294 and 18840526303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18840526333) 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 as a sum of consecutive naturals, namely, 9420263171 + 9420263172.

It is an arithmetic number, because the mean of its divisors is an integer number (9420263172).

Almost surely, 2^18840526343 is an apocalyptic number.

18840526343 is a deficient number, since it is larger than the sum of its proper divisors (1).

18840526343 is an equidigital number, since it uses as much as digits as its factorization.

18840526343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 18840526343 in words is "eighteen billion, eight hundred forty million, five hundred twenty-six thousand, three hundred forty-three".