4646454561 has 48 divisors (see below), whose sum is σ = 8131888128. Its totient is φ = 2499984000.

The previous prime is 4646454539. The next prime is 4646454611. The reversal of 4646454561 is 1654546464.

4646454561 is a `hidden beast` number, since 4 + 6 + 46 + 4 + 545 + 61 = 666.

It is not a de Polignac number, because 4646454561 - 2⁵ = 4646454529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4646454361) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40111 + ... + 104411.

It is an arithmetic number, because the mean of its divisors is an integer number (169414336).

Almost surely, 2^4646454561 is an apocalyptic number.

It is an amenable number.

4646454561 is a deficient number, since it is larger than the sum of its proper divisors (3485433567).

4646454561 is a wasteful number, since it uses less digits than its factorization.

4646454561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64382 (or 64379 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 45.

The square root of 4646454561 is about 68164.9071076900. The cubic root of 4646454561 is about 1668.6832175606.

It can be divided in two parts, 46464 and 54561, that added together give a triangular number (101025 = T₄₄₉).

The spelling of 4646454561 in words is "four billion, six hundred forty-six million, four hundred fifty-four thousand, five hundred sixty-one".