13478049026 has 16 divisors (see below), whose sum is σ = 21833925624. Its totient is φ = 6203011584.

The previous prime is 13478049007. The next prime is 13478049029. The reversal of 13478049026 is 62094087431.

It is a Cunningham number, because it is equal to 116095²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 5475852001 + 8002197025 = 73999^2 + 89455^2 .

It is not an unprimeable number, because it can be changed into a prime (13478049029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725081 + ... + 743436.

Almost surely, 2^13478049026 is an apocalyptic number.

13478049026 is a deficient number, since it is larger than the sum of its proper divisors (8355876598).

13478049026 is a wasteful number, since it uses less digits than its factorization.

13478049026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468885.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 13478049026 in words is "thirteen billion, four hundred seventy-eight million, forty-nine thousand, twenty-six".