4994632578523 has 4 divisors (see below), whose sum is σ = 5708151518320. Its totient is φ = 4281113638728.

The previous prime is 4994632578503. The next prime is 4994632578527. The reversal of 4994632578523 is 3258752364994.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4994632578523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4994632578527) 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, 356759469888 + ... + 356759469901.

It is an arithmetic number, because the mean of its divisors is an integer number (1427037879580).

Almost surely, 2^{4994632578523} is an apocalyptic number.

4994632578523 is a deficient number, since it is larger than the sum of its proper divisors (713518939797).

4994632578523 is an equidigital number, since it uses as much as digits as its factorization.

4994632578523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713518939796.

The product of its digits is 391910400, while the sum is 67.

The spelling of 4994632578523 in words is "four trillion, nine hundred ninety-four billion, six hundred thirty-two million, five hundred seventy-eight thousand, five hundred twenty-three".