189462019 has 2 divisors, whose sum is σ = 189462020. Its totient is φ = 189462018.

The previous prime is 189461983. The next prime is 189462023. The reversal of 189462019 is 910264981.

189462019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189462019 - 2¹³ = 189453827 is a prime.

It is a super-2 number, since 2×189462019² = 71791713287112722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (189465019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94731009 + 94731010.

It is an arithmetic number, because the mean of its divisors is an integer number (94731010).

Almost surely, 2^189462019 is an apocalyptic number.

189462019 is a deficient number, since it is larger than the sum of its proper divisors (1).

189462019 is an equidigital number, since it uses as much as digits as its factorization.

189462019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 189462019 is about 13764.5202967630. The cubic root of 189462019 is about 574.3465989360.

The spelling of 189462019 in words is "one hundred eighty-nine million, four hundred sixty-two thousand, nineteen".