5945445491 has 2 divisors, whose sum is σ = 5945445492. Its totient is φ = 5945445490.

The previous prime is 5945445487. The next prime is 5945445503. The reversal of 5945445491 is 1945445495.

It is a happy number.

5945445491 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5945445491 - 2² = 5945445487 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5945445431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2972722745 + 2972722746.

It is an arithmetic number, because the mean of its divisors is an integer number (2972722746).

Almost surely, 2^5945445491 is an apocalyptic number.

5945445491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5945445491 is an equidigital number, since it uses as much as digits as its factorization.

5945445491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592000, while the sum is 50.

The square root of 5945445491 is about 77106.7149540168. The cubic root of 5945445491 is about 1811.5964762261.

The spelling of 5945445491 in words is "five billion, nine hundred forty-five million, four hundred forty-five thousand, four hundred ninety-one".