4609742779273 has 4 divisors (see below), whose sum is σ = 4687874012880. Its totient is φ = 4531611545668.

The previous prime is 4609742779189. The next prime is 4609742779283. The reversal of 4609742779273 is 3729772479064.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4609742779273 - 2¹⁷ = 4609742648201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4609742779199 and 4609742779208.

It is not an unprimeable number, because it can be changed into a prime (4609742779283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39065616715 + ... + 39065616832.

It is an arithmetic number, because the mean of its divisors is an integer number (1171968503220).

Almost surely, 2^{4609742779273} is an apocalyptic number.

It is an amenable number.

4609742779273 is a deficient number, since it is larger than the sum of its proper divisors (78131233607).

4609742779273 is an equidigital number, since it uses as much as digits as its factorization.

4609742779273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78131233606.

The product of its (nonzero) digits is 224042112, while the sum is 67.

The spelling of 4609742779273 in words is "four trillion, six hundred nine billion, seven hundred forty-two million, seven hundred seventy-nine thousand, two hundred seventy-three".