2643466642 has 16 divisors (see below), whose sum is σ = 4047679872. Its totient is φ = 1294468560.

The previous prime is 2643466633. The next prime is 2643466643. The reversal of 2643466642 is 2466643462.

It is not an unprimeable number, because it can be changed into a prime (2643466643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33834 + ... + 80197.

It is an arithmetic number, because the mean of its divisors is an integer number (252979992).

Almost surely, 2^2643466642 is an apocalyptic number.

2643466642 is a deficient number, since it is larger than the sum of its proper divisors (1404213230).

2643466642 is a wasteful number, since it uses less digits than its factorization.

2643466642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114273.

The product of its digits is 995328, while the sum is 43.

The square root of 2643466642 is about 51414.6539616868. The cubic root of 2643466642 is about 1382.6893299757.

The spelling of 2643466642 in words is "two billion, six hundred forty-three million, four hundred sixty-six thousand, six hundred forty-two".