13044527858 has 4 divisors (see below), whose sum is σ = 19566791790. Its totient is φ = 6522263928.

The previous prime is 13044527849. The next prime is 13044527879. The reversal of 13044527858 is 85872544031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85872544031 = 617 ⋅139177543.

It can be written as a sum of positive squares in only one way, i.e., 12661425529 + 383102329 = 112523^2 + 19573^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3261131963 + ... + 3261131966.

Almost surely, 2^13044527858 is an apocalyptic number.

13044527858 is a deficient number, since it is larger than the sum of its proper divisors (6522263932).

13044527858 is an equidigital number, since it uses as much as digits as its factorization.

13044527858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6522263931.

The product of its (nonzero) digits is 1075200, while the sum is 47.

The spelling of 13044527858 in words is "thirteen billion, forty-four million, five hundred twenty-seven thousand, eight hundred fifty-eight".