2428486861 has 4 divisors (see below), whose sum is σ = 2430533952. Its totient is φ = 2426439772.

The previous prime is 2428486847. The next prime is 2428486913. The reversal of 2428486861 is 1686848242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1686848242 = 2 ⋅843424121.

It is a cyclic number.

It is not a de Polignac number, because 2428486861 - 2⁵ = 2428486829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428486811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021765 + ... + 1024138.

It is an arithmetic number, because the mean of its divisors is an integer number (607633488).

Almost surely, 2^2428486861 is an apocalyptic number.

It is an amenable number.

2428486861 is a deficient number, since it is larger than the sum of its proper divisors (2047091).

2428486861 is a wasteful number, since it uses less digits than its factorization.

2428486861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047090.

The product of its digits is 1179648, while the sum is 49.

The square root of 2428486861 is about 49279.6800009903. The cubic root of 2428486861 is about 1344.1423130095.

The spelling of 2428486861 in words is "two billion, four hundred twenty-eight million, four hundred eighty-six thousand, eight hundred sixty-one".