2521109379 has 16 divisors (see below), whose sum is σ = 3504282624. Its totient is φ = 1610412000.

The previous prime is 2521109377. The next prime is 2521109413. The reversal of 2521109379 is 9739011252.

It is not a de Polignac number, because 2521109379 - 2¹ = 2521109377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2521109377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124809 + ... + 143594.

It is an arithmetic number, because the mean of its divisors is an integer number (219017664).

Almost surely, 2^2521109379 is an apocalyptic number.

2521109379 is a deficient number, since it is larger than the sum of its proper divisors (983173245).

2521109379 is a wasteful number, since it uses less digits than its factorization.

2521109379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268538.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 2521109379 is about 50210.6500555410. The cubic root of 2521109379 is about 1361.0180848180.

The spelling of 2521109379 in words is "two billion, five hundred twenty-one million, one hundred nine thousand, three hundred seventy-nine".