1005604565642 has 16 divisors (see below), whose sum is σ = 1517206747392. Its totient is φ = 499869293040.

The previous prime is 1005604565639. The next prime is 1005604565663. The reversal of 1005604565642 is 2465654065001.

1005604565642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1005604565642² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1005604565593 and 1005604565602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7500923 + ... + 7633809.

It is an arithmetic number, because the mean of its divisors is an integer number (94825421712).

Almost surely, 2^{1005604565642} is an apocalyptic number.

1005604565642 is a deficient number, since it is larger than the sum of its proper divisors (511602181750).

1005604565642 is a wasteful number, since it uses less digits than its factorization.

1005604565642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154933.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 1005604565642 in words is "one trillion, five billion, six hundred four million, five hundred sixty-five thousand, six hundred forty-two".