10643245650 has 72 divisors (see below), whose sum is σ = 28813294224. Its totient is φ = 2816517600.

The previous prime is 10643245643. The next prime is 10643245703. The reversal of 10643245650 is 5654234601.

10643245650 is a `hidden beast` number, since 1 + 0 + 64 + 32 + 4 + 565 + 0 = 666.

It is a super-2 number, since 2×10643245650² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31324 + ... + 149223.

It is an arithmetic number, because the mean of its divisors is an integer number (400184642).

Almost surely, 2^10643245650 is an apocalyptic number.

10643245650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10643245650 is an abundant number, since it is smaller than the sum of its proper divisors (18170048574).

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

10643245650 is a wasteful number, since it uses less digits than its factorization.

10643245650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180696 (or 180688 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 10643245650 in words is "ten billion, six hundred forty-three million, two hundred forty-five thousand, six hundred fifty".