5690082781621 has 4 divisors (see below), whose sum is σ = 6502951750432. Its totient is φ = 4877213812812.

The previous prime is 5690082781619. The next prime is 5690082781633. The reversal of 5690082781621 is 1261872800965.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5690082781621 - 2¹ = 5690082781619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5690082782621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406434484395 + ... + 406434484408.

It is an arithmetic number, because the mean of its divisors is an integer number (1625737937608).

Almost surely, 2^{5690082781621} is an apocalyptic number.

It is an amenable number.

5690082781621 is a deficient number, since it is larger than the sum of its proper divisors (812868968811).

5690082781621 is an equidigital number, since it uses as much as digits as its factorization.

5690082781621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812868968810.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 5690082781621 in words is "five trillion, six hundred ninety billion, eighty-two million, seven hundred eighty-one thousand, six hundred twenty-one".