189860262043 has 2 divisors, whose sum is σ = 189860262044. Its totient is φ = 189860262042.

The previous prime is 189860262041. The next prime is 189860262061. The reversal of 189860262043 is 340262068981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 189860262043 - 2¹ = 189860262041 is a prime.

Together with 189860262041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (189860262041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94930131021 + 94930131022.

It is an arithmetic number, because the mean of its divisors is an integer number (94930131022).

Almost surely, 2^189860262043 is an apocalyptic number.

189860262043 is a deficient number, since it is larger than the sum of its proper divisors (1).

189860262043 is an equidigital number, since it uses as much as digits as its factorization.

189860262043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 189860262043 in words is "one hundred eighty-nine billion, eight hundred sixty million, two hundred sixty-two thousand, forty-three".