2641391379 has 12 divisors (see below), whose sum is σ = 4162192632. Its totient is φ = 1600843200.

The previous prime is 2641391377. The next prime is 2641391447. The reversal of 2641391379 is 9731931462.

2641391379 is a `hidden beast` number, since 264 + 13 + 9 + 1 + 379 = 666.

It is not a de Polignac number, because 2641391379 - 2¹ = 2641391377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2641391377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13340262 + ... + 13340459.

It is an arithmetic number, because the mean of its divisors is an integer number (346849386).

Almost surely, 2^2641391379 is an apocalyptic number.

2641391379 is a deficient number, since it is larger than the sum of its proper divisors (1520801253).

2641391379 is a wasteful number, since it uses less digits than its factorization.

2641391379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26680738 (or 26680735 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 2641391379 is about 51394.4683696602. The cubic root of 2641391379 is about 1382.3274068381.

The spelling of 2641391379 in words is "two billion, six hundred forty-one million, three hundred ninety-one thousand, three hundred seventy-nine".