4621421621004 has 24 divisors (see below), whose sum is σ = 10786254651648. Its totient is φ = 1540054225680.

The previous prime is 4621421620987. The next prime is 4621421621023. The reversal of 4621421621004 is 4001261241264.

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, 52410112 + ... + 52498215.

It is an arithmetic number, because the mean of its divisors is an integer number (449427277152).

Almost surely, 2^{4621421621004} is an apocalyptic number.

It is an amenable number.

4621421621004 is an abundant number, since it is smaller than the sum of its proper divisors (6164833030644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4621421621004 is a wasteful number, since it uses less digits than its factorization.

4621421621004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104912005 (or 104912003 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 4621421621004 its reverse (4001261241264), we get a palindrome (8622682862268).

It can be divided in two parts, 4621421 and 621004, that added together give a palindrome (5242425).

The spelling of 4621421621004 in words is "four trillion, six hundred twenty-one billion, four hundred twenty-one million, six hundred twenty-one thousand, four".