4461345461 has 4 divisors (see below), whose sum is σ = 4462590732. Its totient is φ = 4460100192.

The previous prime is 4461345457. The next prime is 4461345463. The reversal of 4461345461 is 1645431644.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 552720100 + 3908625361 = 23510^2 + 62519^2 .

It is a cyclic number.

It is not a de Polignac number, because 4461345461 - 2² = 4461345457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4461345463) 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, 617246 + ... + 624431.

It is an arithmetic number, because the mean of its divisors is an integer number (1115647683).

Almost surely, 2^4461345461 is an apocalyptic number.

It is an amenable number.

4461345461 is a deficient number, since it is larger than the sum of its proper divisors (1245271).

4461345461 is a wasteful number, since it uses less digits than its factorization.

4461345461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245270.

The product of its digits is 138240, while the sum is 38.

The square root of 4461345461 is about 66793.3040132018. The cubic root of 4461345461 is about 1646.2228212853. Note that the first 3 decimals are identical.

The spelling of 4461345461 in words is "four billion, four hundred sixty-one million, three hundred forty-five thousand, four hundred sixty-one".