5485372808789 has 2 divisors, whose sum is σ = 5485372808790. Its totient is φ = 5485372808788.

The previous prime is 5485372808753. The next prime is 5485372808837. The reversal of 5485372808789 is 9878082735845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3132308847889 + 2353063960900 = 1769833^2 + 1533970^2 .

It is a cyclic number.

It is not a de Polignac number, because 5485372808789 - 2²⁰ = 5485371760213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5485372808989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2742686404394 + 2742686404395.

It is an arithmetic number, because the mean of its divisors is an integer number (2742686404395).

Almost surely, 2^{5485372808789} is an apocalyptic number.

It is an amenable number.

5485372808789 is a deficient number, since it is larger than the sum of its proper divisors (1).

5485372808789 is an equidigital number, since it uses as much as digits as its factorization.

5485372808789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1083801600, while the sum is 74.

The spelling of 5485372808789 in words is "five trillion, four hundred eighty-five billion, three hundred seventy-two million, eight hundred eight thousand, seven hundred eighty-nine".