5621621343 has 8 divisors (see below), whose sum is σ = 8072071728. Its totient is φ = 3459459264.

The previous prime is 5621621339. The next prime is 5621621351. The reversal of 5621621343 is 3431261265.

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

It is not a de Polignac number, because 5621621343 - 2² = 5621621339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5621621363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72072030 + ... + 72072107.

It is an arithmetic number, because the mean of its divisors is an integer number (1009008966).

Almost surely, 2^5621621343 is an apocalyptic number.

5621621343 is a deficient number, since it is larger than the sum of its proper divisors (2450450385).

5621621343 is a wasteful number, since it uses less digits than its factorization.

5621621343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144144153.

The product of its digits is 25920, while the sum is 33.

The square root of 5621621343 is about 74977.4722366659. The cubic root of 5621621343 is about 1778.0905061895.

The spelling of 5621621343 in words is "five billion, six hundred twenty-one million, six hundred twenty-one thousand, three hundred forty-three".