4938193633979 has 2 divisors, whose sum is σ = 4938193633980. Its totient is φ = 4938193633978.

The previous prime is 4938193633909. The next prime is 4938193633981. The reversal of 4938193633979 is 9793363918394.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4938193633979 is a prime.

Together with 4938193633981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4938193633909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2469096816989 + 2469096816990.

It is an arithmetic number, because the mean of its divisors is an integer number (2469096816990).

Almost surely, 2^{4938193633979} is an apocalyptic number.

4938193633979 is a deficient number, since it is larger than the sum of its proper divisors (1).

4938193633979 is an equidigital number, since it uses as much as digits as its factorization.

4938193633979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 714256704, while the sum is 74.

The spelling of 4938193633979 in words is "four trillion, nine hundred thirty-eight billion, one hundred ninety-three million, six hundred thirty-three thousand, nine hundred seventy-nine".