6241982779 has 4 divisors (see below), whose sum is σ = 6242942160. Its totient is φ = 6241023400.

The previous prime is 6241982767. The next prime is 6241982783. The reversal of 6241982779 is 9772891426.

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 6241982779 - 2¹⁹ = 6241458491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6241982179) 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, 469864 + ... + 482965.

It is an arithmetic number, because the mean of its divisors is an integer number (1560735540).

Almost surely, 2^6241982779 is an apocalyptic number.

6241982779 is a deficient number, since it is larger than the sum of its proper divisors (959381).

6241982779 is an equidigital number, since it uses as much as digits as its factorization.

6241982779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959380.

The product of its digits is 3048192, while the sum is 55.

The square root of 6241982779 is about 79006.2198753997. The cubic root of 6241982779 is about 1841.2277937808.

The spelling of 6241982779 in words is "six billion, two hundred forty-one million, nine hundred eighty-two thousand, seven hundred seventy-nine".