10643430630 has 128 divisors (see below), whose sum is σ = 30168576000. Its totient is φ = 2401805952.

The previous prime is 10643430617. The next prime is 10643430661. The reversal of 10643430630 is 3603434601.

It is a super-2 number, since 2×10643430630² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 806364 + ... + 819456.

It is an arithmetic number, because the mean of its divisors is an integer number (235692000).

Almost surely, 2^10643430630 is an apocalyptic number.

10643430630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10643430630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15084288000).

10643430630 is an abundant number, since it is smaller than the sum of its proper divisors (19525145370).

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

10643430630 is a wasteful number, since it uses less digits than its factorization.

10643430630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13203 (or 13189 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The spelling of 10643430630 in words is "ten billion, six hundred forty-three million, four hundred thirty thousand, six hundred thirty".