10779384509 has 2 divisors, whose sum is σ = 10779384510. Its totient is φ = 10779384508.

The previous prime is 10779384487. The next prime is 10779384521. The reversal of 10779384509 is 90548397701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7102781284 + 3676603225 = 84278^2 + 60635^2 .

It is a cyclic number.

It is not a de Polignac number, because 10779384509 - 2²⁴ = 10762607293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10779380509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5389692254 + 5389692255.

It is an arithmetic number, because the mean of its divisors is an integer number (5389692255).

Almost surely, 2^10779384509 is an apocalyptic number.

It is an amenable number.

10779384509 is a deficient number, since it is larger than the sum of its proper divisors (1).

10779384509 is an equidigital number, since it uses as much as digits as its factorization.

10779384509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 10779384509 in words is "ten billion, seven hundred seventy-nine million, three hundred eighty-four thousand, five hundred nine".