2049878215 has 32 divisors (see below), whose sum is σ = 3070089216. Its totient is φ = 1276488960.

The previous prime is 2049878209. The next prime is 2049878219. The reversal of 2049878215 is 5128789402.

It is not a de Polignac number, because 2049878215 - 2⁵ = 2049878183 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 (2049878219) 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 31 ways as a sum of consecutive naturals, for example, 457074 + ... + 461536.

It is an arithmetic number, because the mean of its divisors is an integer number (95940288).

Almost surely, 2^2049878215 is an apocalyptic number.

2049878215 is a deficient number, since it is larger than the sum of its proper divisors (1020211001).

2049878215 is a wasteful number, since it uses less digits than its factorization.

2049878215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5679.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 2049878215 is about 45275.5807803721. The cubic root of 2049878215 is about 1270.3089365609.

The spelling of 2049878215 in words is "two billion, forty-nine million, eight hundred seventy-eight thousand, two hundred fifteen".