621344116224601 has 48 divisors (see below), whose sum is σ = 790520853998592. Its totient is φ = 482921070508800.

The previous prime is 621344116224593. The next prime is 621344116224709. The reversal of 621344116224601 is 106422611443126.

It is not a de Polignac number, because 621344116224601 - 2³ = 621344116224593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (621344116824601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5299658341 + ... + 5299775581.

It is an arithmetic number, because the mean of its divisors is an integer number (16469184458304).

Almost surely, 2^{621344116224601} is an apocalyptic number.

It is an amenable number.

621344116224601 is a deficient number, since it is larger than the sum of its proper divisors (169176737773991).

621344116224601 is a wasteful number, since it uses less digits than its factorization.

621344116224601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142430 (or 142423 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

Adding to 621344116224601 its reverse (106422611443126), we get a palindrome (727766727667727).

The spelling of 621344116224601 in words is "six hundred twenty-one trillion, three hundred forty-four billion, one hundred sixteen million, two hundred twenty-four thousand, six hundred one".