13279825990 has 32 divisors (see below), whose sum is σ = 25186140000. Its totient is φ = 5027482368.

The previous prime is 13279825987. The next prime is 13279825991. The reversal of 13279825990 is 9952897231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13279825991) 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 15 ways as a sum of consecutive naturals, for example, 165996 + ... + 232624.

It is an arithmetic number, because the mean of its divisors is an integer number (787066875).

Almost surely, 2^13279825990 is an apocalyptic number.

13279825990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13279825990 is a deficient number, since it is larger than the sum of its proper divisors (11906314010).

13279825990 is a wasteful number, since it uses less digits than its factorization.

13279825990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67704.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 13279825990 in words is "thirteen billion, two hundred seventy-nine million, eight hundred twenty-five thousand, nine hundred ninety".