2687139411 has 8 divisors (see below), whose sum is σ = 3908566464. Its totient is φ = 1628569320.

The previous prime is 2687139409. The next prime is 2687139421. The reversal of 2687139411 is 1149317862.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2687139411 - 2¹ = 2687139409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2687139421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40714201 + ... + 40714266.

It is an arithmetic number, because the mean of its divisors is an integer number (488570808).

Almost surely, 2^2687139411 is an apocalyptic number.

2687139411 is a deficient number, since it is larger than the sum of its proper divisors (1221427053).

2687139411 is a wasteful number, since it uses less digits than its factorization.

2687139411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81428481.

The product of its digits is 72576, while the sum is 42.

The square root of 2687139411 is about 51837.6254375140. The cubic root of 2687139411 is about 1390.2622576770.

The spelling of 2687139411 in words is "two billion, six hundred eighty-seven million, one hundred thirty-nine thousand, four hundred eleven".