4661446653 has 6 divisors (see below), whose sum is σ = 6733200734. Its totient is φ = 3107631096.

The previous prime is 4661446583. The next prime is 4661446667. The reversal of 4661446653 is 3566441664.

It can be written as a sum of positive squares in only one way, i.e., 2338399449 + 2323047204 = 48357^2 + 48198^2 .

It is not a de Polignac number, because 4661446653 - 2¹² = 4661442557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4661446599 and 4661446608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4661446253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 258969250 + ... + 258969267.

Almost surely, 2^4661446653 is an apocalyptic number.

It is an amenable number.

4661446653 is a deficient number, since it is larger than the sum of its proper divisors (2071754081).

4661446653 is a wasteful number, since it uses less digits than its factorization.

4661446653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517938523 (or 517938520 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The square root of 4661446653 is about 68274.7878283045. The cubic root of 4661446653 is about 1670.4759962428.

The spelling of 4661446653 in words is "four billion, six hundred sixty-one million, four hundred forty-six thousand, six hundred fifty-three".