2649004394 has 8 divisors (see below), whose sum is σ = 3979688160. Its totient is φ = 1322441676.

The previous prime is 2649004387. The next prime is 2649004399. The reversal of 2649004394 is 4934009462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2649004399) 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, 1028654 + ... + 1031225.

It is an arithmetic number, because the mean of its divisors is an integer number (497461020).

Almost surely, 2^2649004394 is an apocalyptic number.

2649004394 is a deficient number, since it is larger than the sum of its proper divisors (1330683766).

2649004394 is a wasteful number, since it uses less digits than its factorization.

2649004394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060524.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 2649004394 is about 51468.4796161690. The cubic root of 2649004394 is about 1383.6541804317.

The spelling of 2649004394 in words is "two billion, six hundred forty-nine million, four thousand, three hundred ninety-four".