2443564653442 has 24 divisors (see below), whose sum is σ = 4204019973888. Its totient is φ = 1062419412120.

The previous prime is 2443564653427. The next prime is 2443564653443.

2443564653442 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2443564653442² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2443564653442.

It is not an unprimeable number, because it can be changed into a prime (2443564653443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219502578 + ... + 219513709.

It is an arithmetic number, because the mean of its divisors is an integer number (175167498912).

Almost surely, 2^{2443564653442} is an apocalyptic number.

2443564653442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2443564653442 is a deficient number, since it is larger than the sum of its proper divisors (1760455320446).

2443564653442 is a wasteful number, since it uses less digits than its factorization.

2443564653442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439016334 (or 439016323 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 52.

The spelling of 2443564653442 in words is "two trillion, four hundred forty-three billion, five hundred sixty-four million, six hundred fifty-three thousand, four hundred forty-two".