4853871994 has 8 divisors (see below), whose sum is σ = 7709090868. Its totient is φ = 2284175040.

The previous prime is 4853871991. The next prime is 4853872007. The reversal of 4853871994 is 4991783584.

It can be written as a sum of positive squares in 2 ways, for example, as 4839010969 + 14861025 = 69563^2 + 3855^2 .

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 (4853871991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71380437 + ... + 71380504.

Almost surely, 2^4853871994 is an apocalyptic number.

4853871994 is a deficient number, since it is larger than the sum of its proper divisors (2855218874).

4853871994 is a wasteful number, since it uses less digits than its factorization.

4853871994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142760960.

The product of its digits is 8709120, while the sum is 58.

The square root of 4853871994 is about 69669.7351365713. The cubic root of 4853871994 is about 1693.1526174332.

The spelling of 4853871994 in words is "four billion, eight hundred fifty-three million, eight hundred seventy-one thousand, nine hundred ninety-four".