2190388327 has 2 divisors, whose sum is σ = 2190388328. Its totient is φ = 2190388326.

The previous prime is 2190388261. The next prime is 2190388337. The reversal of 2190388327 is 7238830912.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2190388327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2190388337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095194163 + 1095194164.

It is an arithmetic number, because the mean of its divisors is an integer number (1095194164).

Almost surely, 2^2190388327 is an apocalyptic number.

2190388327 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190388327 is an equidigital number, since it uses as much as digits as its factorization.

2190388327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 2190388327 is about 46801.5846633423. The cubic root of 2190388327 is about 1298.6946121259.

The spelling of 2190388327 in words is "two billion, one hundred ninety million, three hundred eighty-eight thousand, three hundred twenty-seven".