2750405641 has 2 divisors, whose sum is σ = 2750405642. Its totient is φ = 2750405640.

The previous prime is 2750405633. The next prime is 2750405681. The reversal of 2750405641 is 1465040572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2580233616 + 170172025 = 50796^2 + 13045^2 .

It is a cyclic number.

It is not a de Polignac number, because 2750405641 - 2³ = 2750405633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2750405597 and 2750405606.

It is not a weakly prime, because it can be changed into another prime (2750405621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375202820 + 1375202821.

It is an arithmetic number, because the mean of its divisors is an integer number (1375202821).

Almost surely, 2^2750405641 is an apocalyptic number.

It is an amenable number.

2750405641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2750405641 is an equidigital number, since it uses as much as digits as its factorization.

2750405641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 2750405641 is about 52444.3099010751. The cubic root of 2750405641 is about 1401.0885481249.

The spelling of 2750405641 in words is "two billion, seven hundred fifty million, four hundred five thousand, six hundred forty-one".