2195554027 has 2 divisors, whose sum is σ = 2195554028. Its totient is φ = 2195554026.

The previous prime is 2195554019. The next prime is 2195554057. The reversal of 2195554027 is 7204555912.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2195554027 - 2³ = 2195554019 is a prime.

It is not a weakly prime, because it can be changed into another prime (2195554057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097777013 + 1097777014.

It is an arithmetic number, because the mean of its divisors is an integer number (1097777014).

Almost surely, 2^2195554027 is an apocalyptic number.

2195554027 is a deficient number, since it is larger than the sum of its proper divisors (1).

2195554027 is an equidigital number, since it uses as much as digits as its factorization.

2195554027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 2195554027 is about 46856.7393978710. The cubic root of 2195554027 is about 1299.7147356327.

The spelling of 2195554027 in words is "two billion, one hundred ninety-five million, five hundred fifty-four thousand, twenty-seven".