4613146355221 has 8 divisors (see below), whose sum is σ = 4807054096920. Its totient is φ = 4421560862208.

The previous prime is 4613146355141. The next prime is 4613146355239. The reversal of 4613146355221 is 1225536413164.

It can be written as a sum of positive squares in 4 ways, for example, as 738764316196 + 3874382039025 = 859514^2 + 1968345^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4613146355221 - 2⁷ = 4613146355093 is a prime.

It is a super-2 number, since 2×4613146355221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4613146355921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580558116 + ... + 580566061.

It is an arithmetic number, because the mean of its divisors is an integer number (600881762115).

Almost surely, 2^{4613146355221} is an apocalyptic number.

It is an amenable number.

4613146355221 is a deficient number, since it is larger than the sum of its proper divisors (193907741699).

4613146355221 is a wasteful number, since it uses less digits than its factorization.

4613146355221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161124343.

The product of its digits is 518400, while the sum is 43.

The spelling of 4613146355221 in words is "four trillion, six hundred thirteen billion, one hundred forty-six million, three hundred fifty-five thousand, two hundred twenty-one".