13028937990 has 16 divisors (see below), whose sum is σ = 31269451248. Its totient is φ = 3474383456.

The previous prime is 13028937979. The next prime is 13028937991. The reversal of 13028937990 is 9973982031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13028937991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217148937 + ... + 217148996.

It is an arithmetic number, because the mean of its divisors is an integer number (1954340703).

Almost surely, 2^13028937990 is an apocalyptic number.

13028937990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13028937990 is an abundant number, since it is smaller than the sum of its proper divisors (18240513258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13028937990 is a wasteful number, since it uses less digits than its factorization.

13028937990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434297943.

The product of its (nonzero) digits is 734832, while the sum is 51.

The spelling of 13028937990 in words is "thirteen billion, twenty-eight million, nine hundred thirty-seven thousand, nine hundred ninety".