564514487642 has 32 divisors (see below), whose sum is σ = 980901280128. Its totient is φ = 238660494336.

The previous prime is 564514487623. The next prime is 564514487659. The reversal of 564514487642 is 246784415465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260123 + ... + 1093934.

It is an arithmetic number, because the mean of its divisors is an integer number (30653165004).

Almost surely, 2^564514487642 is an apocalyptic number.

564514487642 is a deficient number, since it is larger than the sum of its proper divisors (416386792486).

564514487642 is a wasteful number, since it uses less digits than its factorization.

564514487642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354470.

The product of its digits is 25804800, while the sum is 56.

The spelling of 564514487642 in words is "five hundred sixty-four billion, five hundred fourteen million, four hundred eighty-seven thousand, six hundred forty-two".