621552416414 has 8 divisors (see below), whose sum is σ = 932337142128. Its totient is φ = 310773369040.

The previous prime is 621552416413. The next prime is 621552416531. The reversal of 621552416414 is 414614255126.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621552416413) 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, 1134482 + ... + 1590645.

It is an arithmetic number, because the mean of its divisors is an integer number (116542142766).

Almost surely, 2^621552416414 is an apocalyptic number.

621552416414 is a deficient number, since it is larger than the sum of its proper divisors (310784725714).

621552416414 is a wasteful number, since it uses less digits than its factorization.

621552416414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839170.

The product of its digits is 230400, while the sum is 41.

The spelling of 621552416414 in words is "six hundred twenty-one billion, five hundred fifty-two million, four hundred sixteen thousand, four hundred fourteen".