13530905758 has 4 divisors (see below), whose sum is σ = 20296358640. Its totient is φ = 6765452878.

The previous prime is 13530905743. The next prime is 13530905783. The reversal of 13530905758 is 85750903531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85750903531 = 19 ⋅4513205449.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3382726438 + ... + 3382726441.

It is an arithmetic number, because the mean of its divisors is an integer number (5074089660).

Almost surely, 2^13530905758 is an apocalyptic number.

13530905758 is a deficient number, since it is larger than the sum of its proper divisors (6765452882).

13530905758 is an equidigital number, since it uses as much as digits as its factorization.

13530905758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6765452881.

The product of its (nonzero) digits is 567000, while the sum is 46.

The spelling of 13530905758 in words is "thirteen billion, five hundred thirty million, nine hundred five thousand, seven hundred fifty-eight".