13069779435 has 32 divisors (see below), whose sum is σ = 24601942080. Its totient is φ = 6560515584.

The previous prime is 13069779427. The next prime is 13069779439. The reversal of 13069779435 is 53497796031.

It is a happy number.

13069779435 is a `hidden beast` number, since 130 + 6 + 9 + 7 + 79 + 435 = 666.

It is not a de Polignac number, because 13069779435 - 2³ = 13069779427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13069779439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2845152 + ... + 2849741.

It is an arithmetic number, because the mean of its divisors is an integer number (768810690).

Almost surely, 2^13069779435 is an apocalyptic number.

13069779435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13069779435 is a deficient number, since it is larger than the sum of its proper divisors (11532162645).

13069779435 is a wasteful number, since it uses less digits than its factorization.

13069779435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5694924 (or 5694918 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 54.

The spelling of 13069779435 in words is "thirteen billion, sixty-nine million, seven hundred seventy-nine thousand, four hundred thirty-five".