2047059309 has 4 divisors (see below), whose sum is σ = 2729412416. Its totient is φ = 1364706204.

The previous prime is 2047059307. The next prime is 2047059319. The reversal of 2047059309 is 9039507402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2047059309 - 2¹ = 2047059307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2047059307) 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, 341176549 + ... + 341176554.

It is an arithmetic number, because the mean of its divisors is an integer number (682353104).

Almost surely, 2^2047059309 is an apocalyptic number.

It is an amenable number.

2047059309 is a deficient number, since it is larger than the sum of its proper divisors (682353107).

2047059309 is an equidigital number, since it uses as much as digits as its factorization.

2047059309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682353106.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 2047059309 is about 45244.4395368094. The cubic root of 2047059309 is about 1269.7263776983.

The spelling of 2047059309 in words is "two billion, forty-seven million, fifty-nine thousand, three hundred nine".