2805380623 has 2 divisors, whose sum is σ = 2805380624. Its totient is φ = 2805380622.

The previous prime is 2805380573. The next prime is 2805380657. The reversal of 2805380623 is 3260835082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2805380623 - 2⁹ = 2805380111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2805380693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402690311 + 1402690312.

It is an arithmetic number, because the mean of its divisors is an integer number (1402690312).

Almost surely, 2^2805380623 is an apocalyptic number.

2805380623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2805380623 is an equidigital number, since it uses as much as digits as its factorization.

2805380623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 2805380623 is about 52965.8439279504. The cubic root of 2805380623 is about 1410.3619986655.

The spelling of 2805380623 in words is "two billion, eight hundred five million, three hundred eighty thousand, six hundred twenty-three".