5194815834 has 128 divisors (see below), whose sum is σ = 12575969280. Its totient is φ = 1414093824.

The previous prime is 5194815781. The next prime is 5194815881. The reversal of 5194815834 is 4385184915.

It is a happy number.

It is a super-2 number, since 2×5194815834² = 53972223098354231112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1797939 + ... + 1800825.

It is an arithmetic number, because the mean of its divisors is an integer number (98249760).

Almost surely, 2^5194815834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5194815834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6287984640).

5194815834 is an abundant number, since it is smaller than the sum of its proper divisors (7381153446).

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

5194815834 is a wasteful number, since it uses less digits than its factorization.

5194815834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004.

The product of its digits is 691200, while the sum is 48.

The square root of 5194815834 is about 72075.0708220256. The cubic root of 5194815834 is about 1731.9022849772.

The spelling of 5194815834 in words is "five billion, one hundred ninety-four million, eight hundred fifteen thousand, eight hundred thirty-four".