5173532779 has 2 divisors, whose sum is σ = 5173532780. Its totient is φ = 5173532778.

The previous prime is 5173532773. The next prime is 5173532783. The reversal of 5173532779 is 9772353715.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5173532779 - 2¹⁵ = 5173500011 is a prime.

It is not a weakly prime, because it can be changed into another prime (5173532773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2586766389 + 2586766390.

It is an arithmetic number, because the mean of its divisors is an integer number (2586766390).

Almost surely, 2^5173532779 is an apocalyptic number.

5173532779 is a deficient number, since it is larger than the sum of its proper divisors (1).

5173532779 is an equidigital number, since it uses as much as digits as its factorization.

5173532779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1389150, while the sum is 49.

The square root of 5173532779 is about 71927.2742358558. The cubic root of 5173532779 is about 1729.5338580613.

The spelling of 5173532779 in words is "five billion, one hundred seventy-three million, five hundred thirty-two thousand, seven hundred seventy-nine".