5445918761 has 2 divisors, whose sum is σ = 5445918762. Its totient is φ = 5445918760.

The previous prime is 5445918749. The next prime is 5445918763. The reversal of 5445918761 is 1678195445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5366441536 + 79477225 = 73256^2 + 8915^2 .

It is a cyclic number.

It is not a de Polignac number, because 5445918761 - 2⁶ = 5445918697 is a prime.

Together with 5445918763, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5445918763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2722959380 + 2722959381.

It is an arithmetic number, because the mean of its divisors is an integer number (2722959381).

Almost surely, 2^5445918761 is an apocalyptic number.

It is an amenable number.

5445918761 is a deficient number, since it is larger than the sum of its proper divisors (1).

5445918761 is an equidigital number, since it uses as much as digits as its factorization.

5445918761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 50.

The square root of 5445918761 is about 73796.4684859648. The cubic root of 5445918761 is about 1759.3694755217.

The spelling of 5445918761 in words is "five billion, four hundred forty-five million, nine hundred eighteen thousand, seven hundred sixty-one".