621500612241 has 32 divisors (see below), whose sum is σ = 884684800000. Its totient is φ = 386950773888.

The previous prime is 621500612233. The next prime is 621500612311. The reversal of 621500612241 is 142216005126.

It is not a de Polignac number, because 621500612241 - 2³ = 621500612233 is a prime.

It is a super-2 number, since 2×621500612241² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 621500612199 and 621500612208.

It is not an unprimeable number, because it can be changed into a prime (621500612141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8280480 + ... + 8355198.

It is an arithmetic number, because the mean of its divisors is an integer number (27646400000).

Almost surely, 2^621500612241 is an apocalyptic number.

It is an amenable number.

621500612241 is a deficient number, since it is larger than the sum of its proper divisors (263184187759).

621500612241 is a wasteful number, since it uses less digits than its factorization.

621500612241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76813.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 621500612241 its reverse (142216005126), we get a palindrome (763716617367).

The spelling of 621500612241 in words is "six hundred twenty-one billion, five hundred million, six hundred twelve thousand, two hundred forty-one".