2621344563434 has 8 divisors (see below), whose sum is σ = 4102974099360. Its totient is φ = 1253686530316.

The previous prime is 2621344563427. The next prime is 2621344563437. The reversal of 2621344563434 is 4343654431262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2621344563437) 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 3 ways as a sum of consecutive naturals, for example, 28492875644 + ... + 28492875735.

It is an arithmetic number, because the mean of its divisors is an integer number (512871762420).

Almost surely, 2^{2621344563434} is an apocalyptic number.

2621344563434 is a deficient number, since it is larger than the sum of its proper divisors (1481629535926).

2621344563434 is a wasteful number, since it uses less digits than its factorization.

2621344563434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56985751404.

The product of its digits is 4976640, while the sum is 47.

Adding to 2621344563434 its reverse (4343654431262), we get a palindrome (6964998994696).

The spelling of 2621344563434 in words is "two trillion, six hundred twenty-one billion, three hundred forty-four million, five hundred sixty-three thousand, four hundred thirty-four".