2750837681 has 2 divisors, whose sum is σ = 2750837682. Its totient is φ = 2750837680.

The previous prime is 2750837633. The next prime is 2750837699. The reversal of 2750837681 is 1867380572.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2729122081 + 21715600 = 52241^2 + 4660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2750837681 is a prime.

It is a super-2 number, since 2×2750837681² = 15134215894418915522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2750837281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375418840 + 1375418841.

It is an arithmetic number, because the mean of its divisors is an integer number (1375418841).

Almost surely, 2^2750837681 is an apocalyptic number.

It is an amenable number.

2750837681 is a deficient number, since it is larger than the sum of its proper divisors (1).

2750837681 is an equidigital number, since it uses as much as digits as its factorization.

2750837681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 2750837681 is about 52448.4287753218. The cubic root of 2750837681 is about 1401.1619063471.

The spelling of 2750837681 in words is "two billion, seven hundred fifty million, eight hundred thirty-seven thousand, six hundred eighty-one".