4541630636821 has 8 divisors (see below), whose sum is σ = 4719598848000. Its totient is φ = 4365628925520.

The previous prime is 4541630636819. The next prime is 4541630636861. The reversal of 4541630636821 is 1286360361454.

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 4541630636821 - 2¹ = 4541630636819 is a prime.

It is a super-2 number, since 2×4541630636821² (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 (4541630636861) 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, 491620261 + ... + 491629498.

It is an arithmetic number, because the mean of its divisors is an integer number (589949856000).

Almost surely, 2^{4541630636821} is an apocalyptic number.

It is an amenable number.

4541630636821 is a deficient number, since it is larger than the sum of its proper divisors (177968211179).

4541630636821 is a wasteful number, since it uses less digits than its factorization.

4541630636821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983249939.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 4541630636821 in words is "four trillion, five hundred forty-one billion, six hundred thirty million, six hundred thirty-six thousand, eight hundred twenty-one".