189030018743 has 2 divisors, whose sum is σ = 189030018744. Its totient is φ = 189030018742.

The previous prime is 189030018691. The next prime is 189030018763. The reversal of 189030018743 is 347810030981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189030018743 - 2²² = 189025824439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 189030018694 and 189030018703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189030018763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94515009371 + 94515009372.

It is an arithmetic number, because the mean of its divisors is an integer number (94515009372).

Almost surely, 2^189030018743 is an apocalyptic number.

189030018743 is a deficient number, since it is larger than the sum of its proper divisors (1).

189030018743 is an equidigital number, since it uses as much as digits as its factorization.

189030018743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 189030018743 in words is "one hundred eighty-nine billion, thirty million, eighteen thousand, seven hundred forty-three".