2687426319 has 4 divisors (see below), whose sum is σ = 3583235096. Its totient is φ = 1791617544.

The previous prime is 2687426263. The next prime is 2687426353. The reversal of 2687426319 is 9136247862.

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

It is not a de Polignac number, because 2687426319 - 2³¹ = 539942671 is a prime.

It is a super-2 number, since 2×2687426319² = 14444520440107779522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687426369) 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, 447904384 + ... + 447904389.

It is an arithmetic number, because the mean of its divisors is an integer number (895808774).

Almost surely, 2^2687426319 is an apocalyptic number.

2687426319 is a deficient number, since it is larger than the sum of its proper divisors (895808777).

2687426319 is an equidigital number, since it uses as much as digits as its factorization.

2687426319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895808776.

The product of its digits is 870912, while the sum is 48.

The square root of 2687426319 is about 51840.3927357809. The cubic root of 2687426319 is about 1390.3117357163.

The spelling of 2687426319 in words is "two billion, six hundred eighty-seven million, four hundred twenty-six thousand, three hundred nineteen".