5445475261949 has 2 divisors, whose sum is σ = 5445475261950. Its totient is φ = 5445475261948.

The previous prime is 5445475261937. The next prime is 5445475261987. The reversal of 5445475261949 is 9491625745445.

It is a happy number.

5445475261949 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 can be written as a sum of positive squares in only one way, i.e., 2896950373849 + 2548524888100 = 1702043^2 + 1596410^2 .

It is a cyclic number.

It is not a de Polignac number, because 5445475261949 - 2³⁶ = 5376755785213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5445475261999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2722737630974 + 2722737630975.

It is an arithmetic number, because the mean of its divisors is an integer number (2722737630975).

Almost surely, 2^{5445475261949} is an apocalyptic number.

It is an amenable number.

5445475261949 is a deficient number, since it is larger than the sum of its proper divisors (1).

5445475261949 is an equidigital number, since it uses as much as digits as its factorization.

5445475261949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728000, while the sum is 65.

The spelling of 5445475261949 in words is "five trillion, four hundred forty-five billion, four hundred seventy-five million, two hundred sixty-one thousand, nine hundred forty-nine".