2690348659 has 4 divisors (see below), whose sum is σ = 2694419440. Its totient is φ = 2686277880.

The previous prime is 2690348653. The next prime is 2690348711. The reversal of 2690348659 is 9568430962.

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 2690348659 - 2²³ = 2681960051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2690348653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2034399 + ... + 2035720.

It is an arithmetic number, because the mean of its divisors is an integer number (673604860).

Almost surely, 2^2690348659 is an apocalyptic number.

2690348659 is a deficient number, since it is larger than the sum of its proper divisors (4070781).

2690348659 is an equidigital number, since it uses as much as digits as its factorization.

2690348659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070780.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The square root of 2690348659 is about 51868.5710136688. The cubic root of 2690348659 is about 1390.8155004463.

The spelling of 2690348659 in words is "two billion, six hundred ninety million, three hundred forty-eight thousand, six hundred fifty-nine".