2829470849 has 4 divisors (see below), whose sum is σ = 2830446420. Its totient is φ = 2828495280.

The previous prime is 2829470827. The next prime is 2829470857. The reversal of 2829470849 is 9480749282.

It is a happy number.

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 1312757824 + 1516713025 = 36232^2 + 38945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2829470849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2829470849.

It is not an unprimeable number, because it can be changed into a prime (2829476849) 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, 483422 + ... + 489239.

It is an arithmetic number, because the mean of its divisors is an integer number (707611605).

Almost surely, 2^2829470849 is an apocalyptic number.

It is an amenable number.

2829470849 is a deficient number, since it is larger than the sum of its proper divisors (975571).

2829470849 is an equidigital number, since it uses as much as digits as its factorization.

2829470849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975570.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 2829470849 is about 53192.7706460192. The cubic root of 2829470849 is about 1414.3874950227.

The spelling of 2829470849 in words is "two billion, eight hundred twenty-nine million, four hundred seventy thousand, eight hundred forty-nine".