2718742369 has 4 divisors (see below), whose sum is σ = 3107134144. Its totient is φ = 2330350596.

The previous prime is 2718742337. The next prime is 2718742379. The reversal of 2718742369 is 9632478172.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2718742369 - 2⁵ = 2718742337 is a prime.

It is a super-2 number, since 2×2718742369² = 14783120137991464322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2718742379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194195877 + ... + 194195890.

It is an arithmetic number, because the mean of its divisors is an integer number (776783536).

Almost surely, 2^2718742369 is an apocalyptic number.

It is an amenable number.

2718742369 is a deficient number, since it is larger than the sum of its proper divisors (388391775).

2718742369 is an equidigital number, since it uses as much as digits as its factorization.

2718742369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388391774.

The product of its digits is 1016064, while the sum is 49.

The square root of 2718742369 is about 52141.5608607951. The cubic root of 2718742369 is about 1395.6912371013.

The spelling of 2718742369 in words is "two billion, seven hundred eighteen million, seven hundred forty-two thousand, three hundred sixty-nine".