2642285979 has 48 divisors (see below), whose sum is σ = 4091469408. Its totient is φ = 1637415936.

The previous prime is 2642285969. The next prime is 2642286071. The reversal of 2642285979 is 9795822462.

2642285979 is a `hidden beast` number, since 2 + 6 + 42 + 2 + 8 + 597 + 9 = 666.

It is not a de Polignac number, because 2642285979 - 2⁴ = 2642285963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2642285929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7614484 + ... + 7614830.

It is an arithmetic number, because the mean of its divisors is an integer number (85238946).

Almost surely, 2^2642285979 is an apocalyptic number.

2642285979 is a deficient number, since it is larger than the sum of its proper divisors (1449183429).

2642285979 is a wasteful number, since it uses less digits than its factorization.

2642285979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 841 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 2642285979 is about 51403.1709041378. The cubic root of 2642285979 is about 1382.4834471388.

The spelling of 2642285979 in words is "two billion, six hundred forty-two million, two hundred eighty-five thousand, nine hundred seventy-nine".