2939299394 has 4 divisors (see below), whose sum is σ = 4408949094. Its totient is φ = 1469649696.

The previous prime is 2939299369. The next prime is 2939299397. The reversal of 2939299394 is 4939929392.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2464626025 + 474673369 = 49645^2 + 21787^2 .

It is not an unprimeable number, because it can be changed into a prime (2939299397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 734824847 + ... + 734824850.

Almost surely, 2^2939299394 is an apocalyptic number.

2939299394 is a deficient number, since it is larger than the sum of its proper divisors (1469649700).

2939299394 is a wasteful number, since it uses less digits than its factorization.

2939299394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469649699.

The product of its digits is 8503056, while the sum is 59.

The square root of 2939299394 is about 54215.3059015625. The cubic root of 2939299394 is about 1432.4559478507.

The spelling of 2939299394 in words is "two billion, nine hundred thirty-nine million, two hundred ninety-nine thousand, three hundred ninety-four".