2680146697 has 4 divisors (see below), whose sum is σ = 2688709780. Its totient is φ = 2671583616.

The previous prime is 2680146649. The next prime is 2680146701. The reversal of 2680146697 is 7966410862.

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

It can be written as a sum of positive squares in 2 ways, for example, as 170537481 + 2509609216 = 13059^2 + 50096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2680146697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2680146697.

It is not an unprimeable number, because it can be changed into a prime (2680146647) 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, 4281072 + ... + 4281697.

It is an arithmetic number, because the mean of its divisors is an integer number (672177445).

Almost surely, 2^2680146697 is an apocalyptic number.

It is an amenable number.

2680146697 is a deficient number, since it is larger than the sum of its proper divisors (8563083).

2680146697 is an equidigital number, since it uses as much as digits as its factorization.

2680146697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8563082.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 2680146697 is about 51770.1332526776. The cubic root of 2680146697 is about 1389.0552552387.

The spelling of 2680146697 in words is "two billion, six hundred eighty million, one hundred forty-six thousand, six hundred ninety-seven".