2790140689 has 16 divisors (see below), whose sum is σ = 3251248000. Its totient is φ = 2345117184.

The previous prime is 2790140687. The next prime is 2790140707. The reversal of 2790140689 is 9860410972.

It is a cyclic number.

It is not a de Polignac number, because 2790140689 - 2¹ = 2790140687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2790140687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55162 + ... + 92860.

It is an arithmetic number, because the mean of its divisors is an integer number (203203000).

Almost surely, 2^2790140689 is an apocalyptic number.

It is an amenable number.

2790140689 is a deficient number, since it is larger than the sum of its proper divisors (461107311).

2790140689 is a wasteful number, since it uses less digits than its factorization.

2790140689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37912.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 2790140689 is about 52821.7823345635. The cubic root of 2790140689 is about 1407.8034792183.

The spelling of 2790140689 in words is "two billion, seven hundred ninety million, one hundred forty thousand, six hundred eighty-nine".