2679254137585 has 4 divisors (see below), whose sum is σ = 3215104965108. Its totient is φ = 2143403310064.

The previous prime is 2679254137541. The next prime is 2679254137733. The reversal of 2679254137585 is 5857314529762.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1952179017616 + 727075119969 = 1397204^2 + 852687^2 .

It is a cyclic number.

It is not a de Polignac number, because 2679254137585 - 2⁹ = 2679254137073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267925413754 + ... + 267925413763.

It is an arithmetic number, because the mean of its divisors is an integer number (803776241277).

Almost surely, 2^{2679254137585} is an apocalyptic number.

It is an amenable number.

2679254137585 is a deficient number, since it is larger than the sum of its proper divisors (535850827523).

2679254137585 is an equidigital number, since it uses as much as digits as its factorization.

2679254137585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535850827522.

The product of its digits is 127008000, while the sum is 64.

The spelling of 2679254137585 in words is "two trillion, six hundred seventy-nine billion, two hundred fifty-four million, one hundred thirty-seven thousand, five hundred eighty-five".