13078651604 has 6 divisors (see below), whose sum is σ = 22887640314. Its totient is φ = 6539325800.

The previous prime is 13078651591. The next prime is 13078651609. The reversal of 13078651604 is 40615687031.

It can be written as a sum of positive squares in only one way, i.e., 13075922500 + 2729104 = 114350^2 + 1652^2 .

It is a super-2 number, since 2×13078651604² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13078651609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1634831447 + ... + 1634831454.

It is an arithmetic number, because the mean of its divisors is an integer number (3814606719).

Almost surely, 2^13078651604 is an apocalyptic number.

It is an amenable number.

13078651604 is a deficient number, since it is larger than the sum of its proper divisors (9808988710).

13078651604 is a wasteful number, since it uses less digits than its factorization.

13078651604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269662905 (or 3269662903 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 13078651604 in words is "thirteen billion, seventy-eight million, six hundred fifty-one thousand, six hundred four".