4999694820123 has 16 divisors (see below), whose sum is σ = 6875000016896. Its totient is φ = 3229980455520.

The previous prime is 4999694820079. The next prime is 4999694820149. The reversal of 4999694820123 is 3210284969994.

It is not a de Polignac number, because 4999694820123 - 2¹⁴ = 4999694803739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4999694820023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152571508 + ... + 152604273.

It is an arithmetic number, because the mean of its divisors is an integer number (429687501056).

Almost surely, 2^{4999694820123} is an apocalyptic number.

4999694820123 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4999694820123 is a deficient number, since it is larger than the sum of its proper divisors (1875305196773).

4999694820123 is a wasteful number, since it uses less digits than its factorization.

4999694820123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305175954.

The product of its (nonzero) digits is 60466176, while the sum is 66.

The spelling of 4999694820123 in words is "four trillion, nine hundred ninety-nine billion, six hundred ninety-four million, eight hundred twenty thousand, one hundred twenty-three".