2049515394 has 32 divisors (see below), whose sum is σ = 4218863616. Its totient is φ = 663487440.

The previous prime is 2049515387. The next prime is 2049515471. The reversal of 2049515394 is 4935159402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7362 + ... + 64445.

It is an arithmetic number, because the mean of its divisors is an integer number (131839488).

Almost surely, 2^2049515394 is an apocalyptic number.

2049515394 is an abundant number, since it is smaller than the sum of its proper divisors (2169348222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2049515394 is a wasteful number, since it uses less digits than its factorization.

2049515394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71950.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 2049515394 is about 45271.5737963681. The cubic root of 2049515394 is about 1270.2339854491.

The spelling of 2049515394 in words is "two billion, forty-nine million, five hundred fifteen thousand, three hundred ninety-four".