4195089427 has 2 divisors, whose sum is σ = 4195089428. Its totient is φ = 4195089426.

The previous prime is 4195089391. The next prime is 4195089433. The reversal of 4195089427 is 7249805914.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4195089427 - 2⁷ = 4195089299 is a prime.

It is not a weakly prime, because it can be changed into another prime (4195089727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2097544713 + 2097544714.

It is an arithmetic number, because the mean of its divisors is an integer number (2097544714).

Almost surely, 2^4195089427 is an apocalyptic number.

4195089427 is a deficient number, since it is larger than the sum of its proper divisors (1).

4195089427 is an equidigital number, since it uses as much as digits as its factorization.

4195089427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 4195089427 is about 64769.5100104980. The cubic root of 4195089427 is about 1612.7996024599.

The spelling of 4195089427 in words is "four billion, one hundred ninety-five million, eighty-nine thousand, four hundred twenty-seven".