2379968881 has 2 divisors, whose sum is σ = 2379968882. Its totient is φ = 2379968880.

The previous prime is 2379968879. The next prime is 2379968887. The reversal of 2379968881 is 1888699732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2379000625 + 968256 = 48775^2 + 984^2 .

It is a cyclic number.

It is not a de Polignac number, because 2379968881 - 2¹ = 2379968879 is a prime.

It is a super-2 number, since 2×2379968881² = 11328503749056784322, which contains 22 as substring.

Together with 2379968879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2379968887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1189984440 + 1189984441.

It is an arithmetic number, because the mean of its divisors is an integer number (1189984441).

Almost surely, 2^2379968881 is an apocalyptic number.

It is an amenable number.

2379968881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2379968881 is an equidigital number, since it uses as much as digits as its factorization.

2379968881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 61.

The square root of 2379968881 is about 48784.9247309043. The cubic root of 2379968881 is about 1335.1306302806.

It can be divided in two parts, 2379968 and 881, that added together give a square (2380849 = 1543²).

The spelling of 2379968881 in words is "two billion, three hundred seventy-nine million, nine hundred sixty-eight thousand, eight hundred eighty-one".