13061820379 has 4 divisors (see below), whose sum is σ = 13067407080. Its totient is φ = 13056233680.

The previous prime is 13061820367. The next prime is 13061820413. The reversal of 13061820379 is 97302816031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13061820379 - 2⁵ = 13061820347 is a prime.

It is a super-2 number, since 2×13061820379² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13061829379) 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 3 ways as a sum of consecutive naturals, for example, 2789842 + ... + 2794519.

It is an arithmetic number, because the mean of its divisors is an integer number (3266851770).

Almost surely, 2^13061820379 is an apocalyptic number.

13061820379 is a deficient number, since it is larger than the sum of its proper divisors (5586701).

13061820379 is an equidigital number, since it uses as much as digits as its factorization.

13061820379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5586700.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 13061820379 in words is "thirteen billion, sixty-one million, eight hundred twenty thousand, three hundred seventy-nine".