2687609734 has 4 divisors (see below), whose sum is σ = 4031414604. Its totient is φ = 1343804866.

The previous prime is 2687609719. The next prime is 2687609753. The reversal of 2687609734 is 4379067862.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671902432 + ... + 671902435.

It is an arithmetic number, because the mean of its divisors is an integer number (1007853651).

Almost surely, 2^2687609734 is an apocalyptic number.

2687609734 is a deficient number, since it is larger than the sum of its proper divisors (1343804870).

2687609734 is a wasteful number, since it uses less digits than its factorization.

2687609734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343804869.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The square root of 2687609734 is about 51842.1617411929. The cubic root of 2687609734 is about 1390.3433642704.

The spelling of 2687609734 in words is "two billion, six hundred eighty-seven million, six hundred nine thousand, seven hundred thirty-four".