13042741328 has 10 divisors (see below), whose sum is σ = 25270311354. Its totient is φ = 6521370656.

The previous prime is 13042741303. The next prime is 13042741331. The reversal of 13042741328 is 82314724031.

It can be written as a sum of positive squares in only one way, i.e., 12874987024 + 167754304 = 113468^2 + 12952^2 .

It is a super-2 number, since 2×13042741328² (a number of 21 digits) contains 22 as substring.

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, 407585651 + ... + 407585682.

Almost surely, 2^13042741328 is an apocalyptic number.

It is an amenable number.

13042741328 is a deficient number, since it is larger than the sum of its proper divisors (12227570026).

13042741328 is an equidigital number, since it uses as much as digits as its factorization.

13042741328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815171341 (or 815171335 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 13042741328 in words is "thirteen billion, forty-two million, seven hundred forty-one thousand, three hundred twenty-eight".