2187089371 has 2 divisors, whose sum is σ = 2187089372. Its totient is φ = 2187089370.

The previous prime is 2187089357. The next prime is 2187089381. The reversal of 2187089371 is 1739807812.

2187089371 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 a de Polignac number, because none of the positive numbers 2^k-2187089371 is a prime.

It is not a weakly prime, because it can be changed into another prime (2187089341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1093544685 + 1093544686.

It is an arithmetic number, because the mean of its divisors is an integer number (1093544686).

Almost surely, 2^2187089371 is an apocalyptic number.

2187089371 is a deficient number, since it is larger than the sum of its proper divisors (1).

2187089371 is an equidigital number, since it uses as much as digits as its factorization.

2187089371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 46.

The square root of 2187089371 is about 46766.3273199853. The cubic root of 2187089371 is about 1298.0422941451.

The spelling of 2187089371 in words is "two billion, one hundred eighty-seven million, eighty-nine thousand, three hundred seventy-one".