189048743 has 4 divisors (see below), whose sum is σ = 203590968. Its totient is φ = 174506520.

The previous prime is 189048733. The next prime is 189048773. The reversal of 189048743 is 347840981.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 189048743 - 2⁶ = 189048679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189048694 and 189048703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189048703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7271093 + ... + 7271118.

It is an arithmetic number, because the mean of its divisors is an integer number (50897742).

Almost surely, 2^189048743 is an apocalyptic number.

189048743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

189048743 is a deficient number, since it is larger than the sum of its proper divisors (14542225).

189048743 is a wasteful number, since it uses less digits than its factorization.

189048743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14542224.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 189048743 is about 13749.4997363540. The cubic root of 189048743 is about 573.9286849852.

The spelling of 189048743 in words is "one hundred eighty-nine million, forty-eight thousand, seven hundred forty-three".