4561889721356 has 12 divisors (see below), whose sum is σ = 8709062195400. Its totient is φ = 2073586236960.

The previous prime is 4561889721343. The next prime is 4561889721359. The reversal of 4561889721356 is 6531279881654.

It is a junction number, because it is equal to n+sod(n) for n = 4561889721292 and 4561889721301.

It is not an unprimeable number, because it can be changed into a prime (4561889721359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51839655881 + ... + 51839655968.

It is an arithmetic number, because the mean of its divisors is an integer number (725755182950).

Almost surely, 2^{4561889721356} is an apocalyptic number.

It is an amenable number.

4561889721356 is a deficient number, since it is larger than the sum of its proper divisors (4147172474044).

4561889721356 is a wasteful number, since it uses less digits than its factorization.

4561889721356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103679311864 (or 103679311862 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 65.

The spelling of 4561889721356 in words is "four trillion, five hundred sixty-one billion, eight hundred eighty-nine million, seven hundred twenty-one thousand, three hundred fifty-six".