2750698961 has 6 divisors (see below), whose sum is σ = 2875494930. Its totient is φ = 2631102848.

The previous prime is 2750698927. The next prime is 2750699009. The reversal of 2750698961 is 1698960572.

It can be written as a sum of positive squares in only one way, i.e., 2057166736 + 693532225 = 45356^2 + 26335^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2750698961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2750698921) 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 5 ways as a sum of consecutive naturals, for example, 2599376 + ... + 2600433.

It is an arithmetic number, because the mean of its divisors is an integer number (479249155).

Almost surely, 2^2750698961 is an apocalyptic number.

It is an amenable number.

2750698961 is a deficient number, since it is larger than the sum of its proper divisors (124795969).

2750698961 is an equidigital number, since it uses as much as digits as its factorization.

2750698961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5199855 (or 5199832 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 2750698961 is about 52447.1063167454. The cubic root of 2750698961 is about 1401.1383532250.

The spelling of 2750698961 in words is "two billion, seven hundred fifty million, six hundred ninety-eight thousand, nine hundred sixty-one".