621601201330 has 16 divisors (see below), whose sum is σ = 1118999974464. Its totient is φ = 248614300080.

The previous prime is 621601201289. The next prime is 621601201343. The reversal of 621601201330 is 33102106126.

It is a junction number, because it is equal to n+sod(n) for n = 621601201295 and 621601201304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3172692 + ... + 3362911.

It is an arithmetic number, because the mean of its divisors is an integer number (69937498404).

Almost surely, 2^621601201330 is an apocalyptic number.

621601201330 is a deficient number, since it is larger than the sum of its proper divisors (497398773134).

621601201330 is a wasteful number, since it uses less digits than its factorization.

621601201330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6545121.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 621601201330 its reverse (33102106126), we get a palindrome (654703307456).

The spelling of 621601201330 in words is "six hundred twenty-one billion, six hundred one million, two hundred one thousand, three hundred thirty".