8494665137779 has 4 divisors (see below), whose sum is σ = 8543767248576. Its totient is φ = 8445563026984.

The previous prime is 8494665137773. The next prime is 8494665137797. The reversal of 8494665137779 is 9777315664948.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8494665137779 - 2¹⁵ = 8494665105011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8494665137773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24551055139 + ... + 24551055484.

It is an arithmetic number, because the mean of its divisors is an integer number (2135941812144).

Almost surely, 2^{8494665137779} is an apocalyptic number.

8494665137779 is a deficient number, since it is larger than the sum of its proper divisors (49102110797).

8494665137779 is a wasteful number, since it uses less digits than its factorization.

8494665137779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49102110796.

The product of its digits is 1920360960, while the sum is 76.

The spelling of 8494665137779 in words is "eight trillion, four hundred ninety-four billion, six hundred sixty-five million, one hundred thirty-seven thousand, seven hundred seventy-nine".