5263861194 has 128 divisors (see below), whose sum is σ = 12773376000. Its totient is φ = 1600689600.

The previous prime is 5263861189. The next prime is 5263861217. The reversal of 5263861194 is 4911683625.

5263861194 is a `hidden beast` number, since 5 + 2 + 638 + 6 + 1 + 1 + 9 + 4 = 666.

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, 11418124 + ... + 11418584.

It is an arithmetic number, because the mean of its divisors is an integer number (99792000).

Almost surely, 2^5263861194 is an apocalyptic number.

5263861194 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5263861194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6386688000).

5263861194 is an abundant number, since it is smaller than the sum of its proper divisors (7509514806).

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

5263861194 is a wasteful number, since it uses less digits than its factorization.

5263861194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 875 counting only the distinct ones).

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

The square root of 5263861194 is about 72552.4720047498. The cubic root of 5263861194 is about 1739.5415617466.

The spelling of 5263861194 in words is "five billion, two hundred sixty-three million, eight hundred sixty-one thousand, one hundred ninety-four".