2686920539 has 4 divisors (see below), whose sum is σ = 2688573624. Its totient is φ = 2685267456.

The previous prime is 2686920503. The next prime is 2686920553. The reversal of 2686920539 is 9350296862.

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

It is a cyclic number.

It is not a de Polignac number, because 2686920539 - 2²⁴ = 2670143323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2686923539) 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, 824102 + ... + 827355.

It is an arithmetic number, because the mean of its divisors is an integer number (672143406).

Almost surely, 2^2686920539 is an apocalyptic number.

2686920539 is a deficient number, since it is larger than the sum of its proper divisors (1653085).

2686920539 is a wasteful number, since it uses less digits than its factorization.

2686920539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653084.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The square root of 2686920539 is about 51835.5142638713. The cubic root of 2686920539 is about 1390.2245102566.

The spelling of 2686920539 in words is "two billion, six hundred eighty-six million, nine hundred twenty thousand, five hundred thirty-nine".