5461859905 has 4 divisors (see below), whose sum is σ = 6554231892. Its totient is φ = 4369487920.

The previous prime is 5461859891. The next prime is 5461859929. The reversal of 5461859905 is 5099581645.

5461859905 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5099581645 = 5 ⋅1019916329.

It can be written as a sum of positive squares in 2 ways, for example, as 1420460721 + 4041399184 = 37689^2 + 63572^2 .

It is not a de Polignac number, because 5461859905 - 2²³ = 5453471297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546185986 + ... + 546185995.

It is an arithmetic number, because the mean of its divisors is an integer number (1638557973).

Almost surely, 2^5461859905 is an apocalyptic number.

It is an amenable number.

5461859905 is a deficient number, since it is larger than the sum of its proper divisors (1092371987).

5461859905 is a wasteful number, since it uses less digits than its factorization.

5461859905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092371986.

The product of its (nonzero) digits is 1944000, while the sum is 52.

The square root of 5461859905 is about 73904.3970613386. The cubic root of 5461859905 is about 1761.0844626089.

The spelling of 5461859905 in words is "five billion, four hundred sixty-one million, eight hundred fifty-nine thousand, nine hundred five".