4933942778 has 4 divisors (see below), whose sum is σ = 7400914170. Its totient is φ = 2466971388.

The previous prime is 4933942757. The next prime is 4933942789. The reversal of 4933942778 is 8772493394.

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., 2891535529 + 2042407249 = 53773^2 + 45193^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1233485693 + ... + 1233485696.

Almost surely, 2^4933942778 is an apocalyptic number.

4933942778 is a deficient number, since it is larger than the sum of its proper divisors (2466971392).

4933942778 is a wasteful number, since it uses less digits than its factorization.

4933942778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466971391.

The product of its digits is 9144576, while the sum is 56.

The square root of 4933942778 is about 70242.0299962921. The cubic root of 4933942778 is about 1702.4121211638.

The spelling of 4933942778 in words is "four billion, nine hundred thirty-three million, nine hundred forty-two thousand, seven hundred seventy-eight".