10505344650 has 96 divisors (see below), whose sum is σ = 28106647488. Its totient is φ = 2586854400.

The previous prime is 10505344643. The next prime is 10505344657. The reversal of 10505344650 is 5644350501.

It is an interprime number because it is at equal distance from previous prime (10505344643) and next prime (10505344657).

It is a super-2 number, since 2×10505344650² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10505344657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96285 + ... + 174015.

It is an arithmetic number, because the mean of its divisors is an integer number (292777578).

Almost surely, 2^10505344650 is an apocalyptic number.

10505344650 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 10505344650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14053323744).

10505344650 is an abundant number, since it is smaller than the sum of its proper divisors (17601302838).

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

10505344650 is a wasteful number, since it uses less digits than its factorization.

10505344650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77816 (or 77811 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 10505344650 in words is "ten billion, five hundred five million, three hundred forty-four thousand, six hundred fifty".