2879189101 has 2 divisors, whose sum is σ = 2879189102. Its totient is φ = 2879189100.

The previous prime is 2879189099. The next prime is 2879189129. The reversal of 2879189101 is 1019819782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1660481001 + 1218708100 = 40749^2 + 34910^2 .

It is a cyclic number.

It is not a de Polignac number, because 2879189101 - 2¹ = 2879189099 is a prime.

Together with 2879189099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2879189171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439594550 + 1439594551.

It is an arithmetic number, because the mean of its divisors is an integer number (1439594551).

Almost surely, 2^2879189101 is an apocalyptic number.

It is an amenable number.

2879189101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2879189101 is an equidigital number, since it uses as much as digits as its factorization.

2879189101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 46.

The square root of 2879189101 is about 53658.0758227501. The cubic root of 2879189101 is about 1422.6237777235.

The spelling of 2879189101 in words is "two billion, eight hundred seventy-nine million, one hundred eighty-nine thousand, one hundred one".