621241613896 has 32 divisors (see below), whose sum is σ = 1216097064000. Its totient is φ = 296962937920.

The previous prime is 621241613869. The next prime is 621241613897. The reversal of 621241613896 is 698316142126.

It is a super-3 number, since 3×621241613896³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (621241613897) 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, 507550 + ... + 1224781.

It is an arithmetic number, because the mean of its divisors is an integer number (38003033250).

Almost surely, 2^621241613896 is an apocalyptic number.

It is an amenable number.

621241613896 is a deficient number, since it is larger than the sum of its proper divisors (594855450104).

621241613896 is a wasteful number, since it uses less digits than its factorization.

621241613896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734309 (or 1734305 counting only the distinct ones).

The product of its digits is 746496, while the sum is 49.

The spelling of 621241613896 in words is "six hundred twenty-one billion, two hundred forty-one million, six hundred thirteen thousand, eight hundred ninety-six".