2859496349 has 4 divisors (see below), whose sum is σ = 2859970236. Its totient is φ = 2859022464.

The previous prime is 2859496331. The next prime is 2859496351. The reversal of 2859496349 is 9436949582.

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 1362348100 + 1497148249 = 36910^2 + 38693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2859496349 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 (2859496249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227774 + ... + 239999.

It is an arithmetic number, because the mean of its divisors is an integer number (714992559).

Almost surely, 2^2859496349 is an apocalyptic number.

It is an amenable number.

2859496349 is a deficient number, since it is larger than the sum of its proper divisors (473887).

2859496349 is an equidigital number, since it uses as much as digits as its factorization.

2859496349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473886.

The product of its digits is 16796160, while the sum is 59.

The square root of 2859496349 is about 53474.2587512908. The cubic root of 2859496349 is about 1419.3729210632.

The spelling of 2859496349 in words is "two billion, eight hundred fifty-nine million, four hundred ninety-six thousand, three hundred forty-nine".