2045117267 has 2 divisors, whose sum is σ = 2045117268. Its totient is φ = 2045117266.

The previous prime is 2045117257. The next prime is 2045117297. The reversal of 2045117267 is 7627115402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045117267 is a prime.

It is not a weakly prime, because it can be changed into another prime (2045117257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022558633 + 1022558634.

It is an arithmetic number, because the mean of its divisors is an integer number (1022558634).

Almost surely, 2^2045117267 is an apocalyptic number.

2045117267 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045117267 is an equidigital number, since it uses as much as digits as its factorization.

2045117267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 2045117267 is about 45222.9727793298. The cubic root of 2045117267 is about 1269.3247215045.

The spelling of 2045117267 in words is "two billion, forty-five million, one hundred seventeen thousand, two hundred sixty-seven".