621362300450641 has 8 divisors (see below), whose sum is σ = 621802628070624. Its totient is φ = 620922029840640.

The previous prime is 621362300450599. The next prime is 621362300450663. The reversal of 621362300450641 is 146054003263126.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-621362300450641 is a prime.

It is a super-2 number, since 2×621362300450641² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (621362300457641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7565425 + ... + 36054961.

It is an arithmetic number, because the mean of its divisors is an integer number (77725328508828).

Almost surely, 2^{621362300450641} is an apocalyptic number.

It is an amenable number.

621362300450641 is a deficient number, since it is larger than the sum of its proper divisors (440327619983).

621362300450641 is a wasteful number, since it uses less digits than its factorization.

621362300450641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28504991.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 621362300450641 in words is "six hundred twenty-one trillion, three hundred sixty-two billion, three hundred million, four hundred fifty thousand, six hundred forty-one".