189733741 has 2 divisors, whose sum is σ = 189733742. Its totient is φ = 189733740.

The previous prime is 189733727. The next prime is 189733763. The reversal of 189733741 is 147337981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156625225 + 33108516 = 12515^2 + 5754^2 .

It is a cyclic number.

It is not a de Polignac number, because 189733741 - 2⁷ = 189733613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189733541) 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, 94866870 + 94866871.

It is an arithmetic number, because the mean of its divisors is an integer number (94866871).

Almost surely, 2^189733741 is an apocalyptic number.

It is an amenable number.

189733741 is a deficient number, since it is larger than the sum of its proper divisors (1).

189733741 is an equidigital number, since it uses as much as digits as its factorization.

189733741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 43.

The square root of 189733741 is about 13774.3871370018. The cubic root of 189733741 is about 574.6210392691.

The spelling of 189733741 in words is "one hundred eighty-nine million, seven hundred thirty-three thousand, seven hundred forty-one".