4543462661 has 4 divisors (see below), whose sum is σ = 4544545824. Its totient is φ = 4542379500.

The previous prime is 4543462639. The next prime is 4543462669. The reversal of 4543462661 is 1662643454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4543462661 - 2⁶ = 4543462597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4543462669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535265 + ... + 543686.

It is an arithmetic number, because the mean of its divisors is an integer number (1136136456).

Almost surely, 2^4543462661 is an apocalyptic number.

It is an amenable number.

4543462661 is a deficient number, since it is larger than the sum of its proper divisors (1083163).

4543462661 is a wasteful number, since it uses less digits than its factorization.

4543462661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083162.

The product of its digits is 414720, while the sum is 41.

The square root of 4543462661 is about 67405.2124171417. The cubic root of 4543462661 is about 1656.2618089658.

The spelling of 4543462661 in words is "four billion, five hundred forty-three million, four hundred sixty-two thousand, six hundred sixty-one".