5621738965756 has 24 divisors (see below), whose sum is σ = 10013960436480. Its totient is φ = 2760694753200.

The previous prime is 5621738965751. The next prime is 5621738965813. The reversal of 5621738965756 is 6575698371265.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5621738965751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10659540 + ... + 11174491.

It is an arithmetic number, because the mean of its divisors is an integer number (417248351520).

Almost surely, 2^{5621738965756} is an apocalyptic number.

It is an amenable number.

5621738965756 is a deficient number, since it is larger than the sum of its proper divisors (4392221470724).

5621738965756 is a wasteful number, since it uses less digits than its factorization.

5621738965756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21835185 (or 21835183 counting only the distinct ones).

The product of its digits is 571536000, while the sum is 70.

The spelling of 5621738965756 in words is "five trillion, six hundred twenty-one billion, seven hundred thirty-eight million, nine hundred sixty-five thousand, seven hundred fifty-six".