5662321021 has 8 divisors (see below), whose sum is σ = 6694369920. Its totient is φ = 4686058608.

The previous prime is 5662321003. The next prime is 5662321039. The reversal of 5662321021 is 1201232665.

It is an interprime number because it is at equal distance from previous prime (5662321003) and next prime (5662321039).

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

It is not a de Polignac number, because 5662321021 - 2⁷ = 5662320893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5662321001) 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, 13946401 + ... + 13946806.

It is an arithmetic number, because the mean of its divisors is an integer number (836796240).

Almost surely, 2^5662321021 is an apocalyptic number.

It is an amenable number.

5662321021 is a deficient number, since it is larger than the sum of its proper divisors (1032048899).

5662321021 is a wasteful number, since it uses less digits than its factorization.

5662321021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27893243.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 5662321021 is about 75248.3954712657. The cubic root of 5662321021 is about 1782.3712265253.

Adding to 5662321021 its reverse (1201232665), we get a palindrome (6863553686).

The spelling of 5662321021 in words is "five billion, six hundred sixty-two million, three hundred twenty-one thousand, twenty-one".