4621923582721 has 16 divisors (see below), whose sum is σ = 4924184082048. Its totient is φ = 4332126556800.

The previous prime is 4621923582673. The next prime is 4621923582739. The reversal of 4621923582721 is 1272853291264.

It is a cyclic number.

It is not a de Polignac number, because 4621923582721 - 2¹³ = 4621923574529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4621923282721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21381181 + ... + 21596266.

It is an arithmetic number, because the mean of its divisors is an integer number (307761505128).

Almost surely, 2^{4621923582721} is an apocalyptic number.

4621923582721 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4621923582721 is a deficient number, since it is larger than the sum of its proper divisors (302260499327).

4621923582721 is a wasteful number, since it uses less digits than its factorization.

4621923582721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42977592.

The product of its digits is 2903040, while the sum is 52.

The spelling of 4621923582721 in words is "four trillion, six hundred twenty-one billion, nine hundred twenty-three million, five hundred eighty-two thousand, seven hundred twenty-one".