5385444769 has 2 divisors, whose sum is σ = 5385444770. Its totient is φ = 5385444768.

The previous prime is 5385444767. The next prime is 5385444809. The reversal of 5385444769 is 9674445835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5367467169 + 17977600 = 73263^2 + 4240^2 .

It is a cyclic number.

It is not a de Polignac number, because 5385444769 - 2¹ = 5385444767 is a prime.

It is a super-2 number, since 2×5385444769² = 58006030719898926722, which contains 22 as substring.

Together with 5385444767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5385444761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2692722384 + 2692722385.

It is an arithmetic number, because the mean of its divisors is an integer number (2692722385).

Almost surely, 2^5385444769 is an apocalyptic number.

It is an amenable number.

5385444769 is a deficient number, since it is larger than the sum of its proper divisors (1).

5385444769 is an equidigital number, since it uses as much as digits as its factorization.

5385444769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14515200, while the sum is 55.

The square root of 5385444769 is about 73385.5896549179. The cubic root of 5385444769 is about 1752.8329373833.

The spelling of 5385444769 in words is "five billion, three hundred eighty-five million, four hundred forty-four thousand, seven hundred sixty-nine".