2379409849 has 2 divisors, whose sum is σ = 2379409850. Its totient is φ = 2379409848.

The previous prime is 2379409847. The next prime is 2379409871. The reversal of 2379409849 is 9489049732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2378317824 + 1092025 = 48768^2 + 1045^2 .

It is a cyclic number.

It is not a de Polignac number, because 2379409849 - 2¹ = 2379409847 is a prime.

Together with 2379409847, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2379409849.

It is not a weakly prime, because it can be changed into another prime (2379409847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1189704924 + 1189704925.

It is an arithmetic number, because the mean of its divisors is an integer number (1189704925).

Almost surely, 2^2379409849 is an apocalyptic number.

It is an amenable number.

2379409849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2379409849 is an equidigital number, since it uses as much as digits as its factorization.

2379409849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The square root of 2379409849 is about 48779.1948375534. The cubic root of 2379409849 is about 1335.0260856092.

The spelling of 2379409849 in words is "two billion, three hundred seventy-nine million, four hundred nine thousand, eight hundred forty-nine".