2679521423 has 4 divisors (see below), whose sum is σ = 2681232960. Its totient is φ = 2677809888.

The previous prime is 2679521407. The next prime is 2679521473. The reversal of 2679521423 is 3241259762.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2679521423 - 2⁴ = 2679521407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2679521473) 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 3 ways as a sum of consecutive naturals, for example, 853418 + ... + 856551.

It is an arithmetic number, because the mean of its divisors is an integer number (670308240).

Almost surely, 2^2679521423 is an apocalyptic number.

2679521423 is a deficient number, since it is larger than the sum of its proper divisors (1711537).

2679521423 is a wasteful number, since it uses less digits than its factorization.

2679521423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711536.

The product of its digits is 181440, while the sum is 41.

The square root of 2679521423 is about 51764.0939551732. The cubic root of 2679521423 is about 1388.9472253700.

The spelling of 2679521423 in words is "two billion, six hundred seventy-nine million, five hundred twenty-one thousand, four hundred twenty-three".