4546504661621 has 8 divisors (see below), whose sum is σ = 4896261099744. Its totient is φ = 4196751839280.

The previous prime is 4546504661609. The next prime is 4546504661689. The reversal of 4546504661621 is 1261664056454.

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

It is not a de Polignac number, because 4546504661621 - 2¹⁸ = 4546504399477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4546504661621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4546504661021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2069990 + ... + 3657576.

It is an arithmetic number, because the mean of its divisors is an integer number (612032637468).

Almost surely, 2^{4546504661621} is an apocalyptic number.

It is an amenable number.

4546504661621 is a deficient number, since it is larger than the sum of its proper divisors (349756438123).

4546504661621 is a wasteful number, since it uses less digits than its factorization.

4546504661621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807891.

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 4546504661621 in words is "four trillion, five hundred forty-six billion, five hundred four million, six hundred sixty-one thousand, six hundred twenty-one".