13220253379 has 16 divisors (see below), whose sum is σ = 13815803232. Its totient is φ = 12638965248.

The previous prime is 13220253377. The next prime is 13220253419. The reversal of 13220253379 is 97335202231.

It is a cyclic number.

It is not a de Polignac number, because 13220253379 - 2¹ = 13220253377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13220253373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 980109 + ... + 993505.

It is an arithmetic number, because the mean of its divisors is an integer number (863487702).

Almost surely, 2^13220253379 is an apocalyptic number.

13220253379 is a deficient number, since it is larger than the sum of its proper divisors (595549853).

13220253379 is a wasteful number, since it uses less digits than its factorization.

13220253379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13926.

The product of its (nonzero) digits is 68040, while the sum is 37.

It can be divided in two parts, 132202 and 53379, that added together give a palindrome (185581).

The spelling of 13220253379 in words is "thirteen billion, two hundred twenty million, two hundred fifty-three thousand, three hundred seventy-nine".