2179379387 has 2 divisors, whose sum is σ = 2179379388. Its totient is φ = 2179379386.

The previous prime is 2179379383. The next prime is 2179379407. The reversal of 2179379387 is 7839739712.

2179379387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2179379387 - 2² = 2179379383 is a prime.

It is not a weakly prime, because it can be changed into another prime (2179379383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1089689693 + 1089689694.

It is an arithmetic number, because the mean of its divisors is an integer number (1089689694).

Almost surely, 2^2179379387 is an apocalyptic number.

2179379387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2179379387 is an equidigital number, since it uses as much as digits as its factorization.

2179379387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000752, while the sum is 56.

The square root of 2179379387 is about 46683.8236116109. The cubic root of 2179379387 is about 1296.5152008681.

The spelling of 2179379387 in words is "two billion, one hundred seventy-nine million, three hundred seventy-nine thousand, three hundred eighty-seven".