2045909743 has 2 divisors, whose sum is σ = 2045909744. Its totient is φ = 2045909742.

The previous prime is 2045909737. The next prime is 2045909773. The reversal of 2045909743 is 3479095402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2045909743 - 2²⁹ = 1509038831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2045909743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045909773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022954871 + 1022954872.

It is an arithmetic number, because the mean of its divisors is an integer number (1022954872).

Almost surely, 2^2045909743 is an apocalyptic number.

2045909743 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045909743 is an equidigital number, since it uses as much as digits as its factorization.

2045909743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 2045909743 is about 45231.7338049295. The cubic root of 2045909743 is about 1269.4886533392.

The spelling of 2045909743 in words is "two billion, forty-five million, nine hundred nine thousand, seven hundred forty-three".