4890643347779 has 4 divisors (see below), whose sum is σ = 5589306683184. Its totient is φ = 4191980012376.

The previous prime is 4890643347773. The next prime is 4890643347791. The reversal of 4890643347779 is 9777433460984.

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 4890643347779 - 2³² = 4886348380483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4890643347773) 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, 349331667692 + ... + 349331667705.

It is an arithmetic number, because the mean of its divisors is an integer number (1397326670796).

Almost surely, 2^{4890643347779} is an apocalyptic number.

4890643347779 is a deficient number, since it is larger than the sum of its proper divisors (698663335405).

4890643347779 is an equidigital number, since it uses as much as digits as its factorization.

4890643347779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698663335404.

The product of its (nonzero) digits is 768144384, while the sum is 71.

The spelling of 4890643347779 in words is "four trillion, eight hundred ninety billion, six hundred forty-three million, three hundred forty-seven thousand, seven hundred seventy-nine".