13970530809 has 45 divisors (see below), whose sum is σ = 21854655669. Its totient is φ = 8893142280.

The previous prime is 13970530799. The next prime is 13970530817. The reversal of 13970530809 is 90803507931.

It is a happy number.

The square root of 13970530809 is 118197.

It is a perfect power (a square), and thus also a powerful number.

13970530809 is a `hidden beast` number, since 1 + 39 + 7 + 0 + 530 + 80 + 9 = 666.

13970530809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13970530809 - 2¹³ = 13970522617 is a prime.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (13970530859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 24466494 + ... + 24467064.

Almost surely, 2^13970530809 is an apocalyptic number.

13970530809 is the 118197-th square number.

13970530809 is the 59099-th centered octagonal number.

It is an amenable number.

13970530809 is a deficient number, since it is larger than the sum of its proper divisors (7884124860).

13970530809 is an frugal number, since it uses more digits than its factorization.

13970530809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 13970530809 in words is "thirteen billion, nine hundred seventy million, five hundred thirty thousand, eight hundred nine".