5921777789 has 2 divisors, whose sum is σ = 5921777790. Its totient is φ = 5921777788.

The previous prime is 5921777753. The next prime is 5921777801. The reversal of 5921777789 is 9877771295.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5258715289 + 663062500 = 72517^2 + 25750^2 .

It is a cyclic number.

It is not a de Polignac number, because 5921777789 - 2¹⁶ = 5921712253 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5921776789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2960888894 + 2960888895.

It is an arithmetic number, because the mean of its divisors is an integer number (2960888895).

Almost surely, 2^5921777789 is an apocalyptic number.

It is an amenable number.

5921777789 is a deficient number, since it is larger than the sum of its proper divisors (1).

5921777789 is an equidigital number, since it uses as much as digits as its factorization.

5921777789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15558480, while the sum is 62.

The square root of 5921777789 is about 76953.0882356257. The cubic root of 5921777789 is about 1809.1894042375.

The spelling of 5921777789 in words is "five billion, nine hundred twenty-one million, seven hundred seventy-seven thousand, seven hundred eighty-nine".