189070619 has 2 divisors, whose sum is σ = 189070620. Its totient is φ = 189070618.

The previous prime is 189070579. The next prime is 189070627. The reversal of 189070619 is 916070981.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189070619 is a prime.

It is a super-2 number, since 2×189070619² = 71495397938086322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (189070669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94535309 + 94535310.

It is an arithmetic number, because the mean of its divisors is an integer number (94535310).

Almost surely, 2^189070619 is an apocalyptic number.

189070619 is a deficient number, since it is larger than the sum of its proper divisors (1).

189070619 is an equidigital number, since it uses as much as digits as its factorization.

189070619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 189070619 is about 13750.2952331941. The cubic root of 189070619 is about 573.9508217447.

The spelling of 189070619 in words is "one hundred eighty-nine million, seventy thousand, six hundred nineteen".