2682945961 has 4 divisors (see below), whose sum is σ = 2755458052. Its totient is φ = 2610433872.

The previous prime is 2682945953. The next prime is 2682945971. The reversal of 2682945961 is 1695492862.

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 1695792400 + 987153561 = 41180^2 + 31419^2 .

It is a cyclic number.

It is not a de Polignac number, because 2682945961 - 2³ = 2682945953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2682945899 and 2682945908.

It is not an unprimeable number, because it can be changed into a prime (2682945931) 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, 36255990 + ... + 36256063.

It is an arithmetic number, because the mean of its divisors is an integer number (688864513).

Almost surely, 2^2682945961 is an apocalyptic number.

It is an amenable number.

2682945961 is a deficient number, since it is larger than the sum of its proper divisors (72512091).

2682945961 is an equidigital number, since it uses as much as digits as its factorization.

2682945961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72512090.

The product of its digits is 1866240, while the sum is 52.

The square root of 2682945961 is about 51797.1617079546. The cubic root of 2682945961 is about 1389.5386839311.

The spelling of 2682945961 in words is "two billion, six hundred eighty-two million, nine hundred forty-five thousand, nine hundred sixty-one".