4961843779 has 4 divisors (see below), whose sum is σ = 4971331576. Its totient is φ = 4952355984.

The previous prime is 4961843743. The next prime is 4961843879. The reversal of 4961843779 is 9773481694.

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 4961843779 - 2⁷ = 4961843651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4961843879) 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, 4743114 + ... + 4744159.

It is an arithmetic number, because the mean of its divisors is an integer number (1242832894).

Almost surely, 2^4961843779 is an apocalyptic number.

4961843779 is a deficient number, since it is larger than the sum of its proper divisors (9487797).

4961843779 is an equidigital number, since it uses as much as digits as its factorization.

4961843779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9487796.

The product of its digits is 9144576, while the sum is 58.

The square root of 4961843779 is about 70440.3561816662. The cubic root of 4961843779 is about 1705.6150868557.

The spelling of 4961843779 in words is "four billion, nine hundred sixty-one million, eight hundred forty-three thousand, seven hundred seventy-nine".