2045465291 has 2 divisors, whose sum is σ = 2045465292. Its totient is φ = 2045465290.

The previous prime is 2045465269. The next prime is 2045465297. The reversal of 2045465291 is 1925645402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045465291 is a prime.

It is not a weakly prime, because it can be changed into another prime (2045465297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022732645 + 1022732646.

It is an arithmetic number, because the mean of its divisors is an integer number (1022732646).

Almost surely, 2^2045465291 is an apocalyptic number.

2045465291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045465291 is an equidigital number, since it uses as much as digits as its factorization.

2045465291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 2045465291 is about 45226.8204829833. The cubic root of 2045465291 is about 1269.3967190729.

The spelling of 2045465291 in words is "two billion, forty-five million, four hundred sixty-five thousand, two hundred ninety-one".