5821421761 has 8 divisors (see below), whose sum is σ = 6128554400. Its totient is φ = 5514363360.

The previous prime is 5821421747. The next prime is 5821421779. The reversal of 5821421761 is 1671241285.

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

It is a cyclic number.

It is not a de Polignac number, because 5821421761 - 2¹³ = 5821413569 is a prime.

It is a super-2 number, since 2×5821421761² = 67777902638888682242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5821421761.

It is not an unprimeable number, because it can be changed into a prime (5821421701) 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 7 ways as a sum of consecutive naturals, for example, 223426 + ... + 248116.

It is an arithmetic number, because the mean of its divisors is an integer number (766069300).

Almost surely, 2^5821421761 is an apocalyptic number.

It is an amenable number.

5821421761 is a deficient number, since it is larger than the sum of its proper divisors (307132639).

5821421761 is a wasteful number, since it uses less digits than its factorization.

5821421761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37119.

The product of its digits is 26880, while the sum is 37.

The square root of 5821421761 is about 76298.2421881396. The cubic root of 5821421761 is about 1798.9110451491.

The spelling of 5821421761 in words is "five billion, eight hundred twenty-one million, four hundred twenty-one thousand, seven hundred sixty-one".