5421621330 has 64 divisors (see below), whose sum is σ = 14561769600. Its totient is φ = 1435354560.

The previous prime is 5421621287. The next prime is 5421621349. The reversal of 5421621330 is 331261245.

5421621330 is a `hidden beast` number, since 5 + 4 + 2 + 1 + 621 + 3 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 5421621294 and 5421621303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34701 + ... + 109760.

It is an arithmetic number, because the mean of its divisors is an integer number (227527650).

Almost surely, 2^5421621330 is an apocalyptic number.

5421621330 is an abundant number, since it is smaller than the sum of its proper divisors (9140148270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5421621330 is a wasteful number, since it uses less digits than its factorization.

5421621330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144616 (or 144610 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 5421621330 is about 73631.6598346119. The cubic root of 5421621330 is about 1756.7490489101.

Adding to 5421621330 its reverse (331261245), we get a palindrome (5752882575).

The spelling of 5421621330 in words is "five billion, four hundred twenty-one million, six hundred twenty-one thousand, three hundred thirty".