5344455661 has 4 divisors (see below), whose sum is σ = 5354051292. Its totient is φ = 5334860032.

The previous prime is 5344455629. The next prime is 5344455671. The reversal of 5344455661 is 1665544435.

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 831168900 + 4513286761 = 28830^2 + 67181^2 .

It is a cyclic number.

It is not a de Polignac number, because 5344455661 - 2⁵ = 5344455629 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 (5344455671) 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, 4796980 + ... + 4798093.

It is an arithmetic number, because the mean of its divisors is an integer number (1338512823).

Almost surely, 2^5344455661 is an apocalyptic number.

It is an amenable number.

5344455661 is a deficient number, since it is larger than the sum of its proper divisors (9595631).

5344455661 is an equidigital number, since it uses as much as digits as its factorization.

5344455661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9595630.

The product of its digits is 864000, while the sum is 43.

The square root of 5344455661 is about 73105.7840461341. The cubic root of 5344455661 is about 1748.3746171951.

The spelling of 5344455661 in words is "five billion, three hundred forty-four million, four hundred fifty-five thousand, six hundred sixty-one".