5193494851 has 4 divisors (see below), whose sum is σ = 5198145472. Its totient is φ = 5188844232.

The previous prime is 5193494843. The next prime is 5193494861. The reversal of 5193494851 is 1584943915.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5193494851 - 2³ = 5193494843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5193494795 and 5193494804.

It is not an unprimeable number, because it can be changed into a prime (5193494861) 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, 2323635 + ... + 2325868.

It is an arithmetic number, because the mean of its divisors is an integer number (1299536368).

Almost surely, 2^5193494851 is an apocalyptic number.

5193494851 is a deficient number, since it is larger than the sum of its proper divisors (4650621).

5193494851 is a wasteful number, since it uses less digits than its factorization.

5193494851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4650620.

The product of its digits is 777600, while the sum is 49.

The square root of 5193494851 is about 72065.9063011075. The cubic root of 5193494851 is about 1731.7554714681.

The spelling of 5193494851 in words is "five billion, one hundred ninety-three million, four hundred ninety-four thousand, eight hundred fifty-one".