2657179539 has 128 divisors (see below), whose sum is σ = 4866048000. Its totient is φ = 1401079680.

The previous prime is 2657179517. The next prime is 2657179559. The reversal of 2657179539 is 9359717562.

It is not a de Polignac number, because 2657179539 - 2¹¹ = 2657177491 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2657179559) 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 127 ways as a sum of consecutive naturals, for example, 13352562 + ... + 13352760.

It is an arithmetic number, because the mean of its divisors is an integer number (38016000).

Almost surely, 2^2657179539 is an apocalyptic number.

2657179539 is a deficient number, since it is larger than the sum of its proper divisors (2208868461).

2657179539 is a wasteful number, since it uses less digits than its factorization.

2657179539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 336 counting only the distinct ones).

The product of its digits is 3572100, while the sum is 54.

The square root of 2657179539 is about 51547.8373843171. The cubic root of 2657179539 is about 1385.0760929056.

The spelling of 2657179539 in words is "two billion, six hundred fifty-seven million, one hundred seventy-nine thousand, five hundred thirty-nine".