13391787284 has 6 divisors (see below), whose sum is σ = 23435627754. Its totient is φ = 6695893640.

The previous prime is 13391787257. The next prime is 13391787287. The reversal of 13391787284 is 48278719331.

13391787284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8161315600 + 5230471684 = 90340^2 + 72322^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13391787287) 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 as a sum of consecutive naturals, namely, 1673973407 + ... + 1673973414.

It is an arithmetic number, because the mean of its divisors is an integer number (3905937959).

Almost surely, 2^13391787284 is an apocalyptic number.

It is an amenable number.

13391787284 is a deficient number, since it is larger than the sum of its proper divisors (10043840470).

13391787284 is a wasteful number, since it uses less digits than its factorization.

13391787284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347946825 (or 3347946823 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 53.

The spelling of 13391787284 in words is "thirteen billion, three hundred ninety-one million, seven hundred eighty-seven thousand, two hundred eighty-four".