5193494820 has 120 divisors (see below), whose sum is σ = 16421121024. Its totient is φ = 1373972544.

The previous prime is 5193494819. The next prime is 5193494843. The reversal of 5193494820 is 284943915.

5193494820 is a `hidden beast` number, since 51 + 93 + 494 + 8 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 193119 + ... + 218361.

Almost surely, 2^5193494820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5193494820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8210560512).

5193494820 is an abundant number, since it is smaller than the sum of its proper divisors (11227626204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5193494820 is a wasteful number, since it uses less digits than its factorization.

5193494820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25391 (or 25380 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 5193494820 is about 72065.9060860266. The cubic root of 5193494820 is about 1731.7554680225.

The spelling of 5193494820 in words is "five billion, one hundred ninety-three million, four hundred ninety-four thousand, eight hundred twenty".