13207639450 has 24 divisors (see below), whose sum is σ = 24592739580. Its totient is φ = 5277350400.

The previous prime is 13207639429. The next prime is 13207639451. The reversal of 13207639450 is 5493670231.

It is a happy number.

13207639450 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 6 ways, for example, as 658486921 + 12549152529 = 25661^2 + 112023^2 .

It is not an unprimeable number, because it can be changed into a prime (13207639451) 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 in 11 ways as a sum of consecutive naturals, for example, 95721 + ... + 188620.

Almost surely, 2^13207639450 is an apocalyptic number.

13207639450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13207639450 is a deficient number, since it is larger than the sum of its proper divisors (11385100130).

13207639450 is a wasteful number, since it uses less digits than its factorization.

13207639450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285282 (or 285277 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 13207639450 in words is "thirteen billion, two hundred seven million, six hundred thirty-nine thousand, four hundred fifty".