1050563898 has 64 divisors (see below), whose sum is σ = 2419891200. Its totient is φ = 337487040.

The previous prime is 1050563897. The next prime is 1050563911. The reversal of 1050563898 is 8983650501.

1050563898 is a `hidden beast` number, since 1 + 0 + 5 + 0 + 5 + 638 + 9 + 8 = 666.

It is a super-2 number, since 2×1050563898² = 2207369007561908808, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1050563897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449140 + ... + 451472.

It is an arithmetic number, because the mean of its divisors is an integer number (37810800).

Almost surely, 2^1050563898 is an apocalyptic number.

1050563898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1050563898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1209945600).

1050563898 is an abundant number, since it is smaller than the sum of its proper divisors (1369327302).

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

1050563898 is a wasteful number, since it uses less digits than its factorization.

1050563898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644 (or 2638 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 1050563898 is about 32412.4034591698. The cubic root of 1050563898 is about 1016.5782746885.

The spelling of 1050563898 in words is "one billion, fifty million, five hundred sixty-three thousand, eight hundred ninety-eight".