2750404243 has 2 divisors, whose sum is σ = 2750404244. Its totient is φ = 2750404242.

The previous prime is 2750404199. The next prime is 2750404297. The reversal of 2750404243 is 3424040572.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2750404243 is a prime.

It is not a weakly prime, because it can be changed into another prime (2750404043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375202121 + 1375202122.

It is an arithmetic number, because the mean of its divisors is an integer number (1375202122).

Almost surely, 2^2750404243 is an apocalyptic number.

2750404243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2750404243 is an equidigital number, since it uses as much as digits as its factorization.

2750404243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 2750404243 is about 52444.2965726493. The cubic root of 2750404243 is about 1401.0883107391.

The spelling of 2750404243 in words is "two billion, seven hundred fifty million, four hundred four thousand, two hundred forty-three".