2687743412 has 12 divisors (see below), whose sum is σ = 4716877956. Its totient is φ = 1340064000.

The previous prime is 2687743351. The next prime is 2687743489. The reversal of 2687743412 is 2143477862.

It can be written as a sum of positive squares in 2 ways, for example, as 1999520656 + 688222756 = 44716^2 + 26234^2 .

It is a congruent 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, 950339 + ... + 953162.

It is an arithmetic number, because the mean of its divisors is an integer number (393073163).

Almost surely, 2^2687743412 is an apocalyptic number.

It is an amenable number.

2687743412 is a deficient number, since it is larger than the sum of its proper divisors (2029134544).

2687743412 is a wasteful number, since it uses less digits than its factorization.

2687743412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903858 (or 1903856 counting only the distinct ones).

The product of its digits is 451584, while the sum is 44.

The square root of 2687743412 is about 51843.4510039600. The cubic root of 2687743412 is about 1390.3664151418.

The spelling of 2687743412 in words is "two billion, six hundred eighty-seven million, seven hundred forty-three thousand, four hundred twelve".