2850729394 has 4 divisors (see below), whose sum is σ = 4276094094. Its totient is φ = 1425364696.

The previous prime is 2850729389. The next prime is 2850729421. The reversal of 2850729394 is 4939270582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4939270582 = 2 ⋅2469635291.

It can be written as a sum of positive squares in only one way, i.e., 1490963769 + 1359765625 = 38613^2 + 36875^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712682347 + ... + 712682350.

Almost surely, 2^2850729394 is an apocalyptic number.

2850729394 is a deficient number, since it is larger than the sum of its proper divisors (1425364700).

2850729394 is a wasteful number, since it uses less digits than its factorization.

2850729394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425364699.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 2850729394 is about 53392.2222238408. Note that the first 5 decimals coincide. The cubic root of 2850729394 is about 1417.9208801358.

The spelling of 2850729394 in words is "two billion, eight hundred fifty million, seven hundred twenty-nine thousand, three hundred ninety-four".