2080129313 has 4 divisors (see below), whose sum is σ = 2151857940. Its totient is φ = 2008400688.

The previous prime is 2080129297. The next prime is 2080129321. The reversal of 2080129313 is 3139210802.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1192804369 + 887324944 = 34537^2 + 29788^2 .

It is a cyclic number.

It is not a de Polignac number, because 2080129313 - 2⁴ = 2080129297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 71728597 = 2080129313 / (2 + 0 + 8 + 0 + 1 + 2 + 9 + 3 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2080189313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35864270 + ... + 35864327.

It is an arithmetic number, because the mean of its divisors is an integer number (537964485).

Almost surely, 2^2080129313 is an apocalyptic number.

It is an amenable number.

2080129313 is a deficient number, since it is larger than the sum of its proper divisors (71728627).

2080129313 is an equidigital number, since it uses as much as digits as its factorization.

2080129313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71728626.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2080129313 is about 45608.4346694775. The cubic root of 2080129313 is about 1276.5273124539.

The spelling of 2080129313 in words is "two billion, eighty million, one hundred twenty-nine thousand, three hundred thirteen".