10729010644 has 24 divisors (see below), whose sum is σ = 20499319008. Its totient is φ = 4872855840.

The previous prime is 10729010581. The next prime is 10729010647. The reversal of 10729010644 is 44601092701.

It is a super-2 number, since 2×10729010644² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10729010647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44134 + ... + 152989.

It is an arithmetic number, because the mean of its divisors is an integer number (854138292).

Almost surely, 2^10729010644 is an apocalyptic number.

It is an amenable number.

10729010644 is a deficient number, since it is larger than the sum of its proper divisors (9770308364).

10729010644 is a wasteful number, since it uses less digits than its factorization.

10729010644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198375 (or 198373 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 10729010644 in words is "ten billion, seven hundred twenty-nine million, ten thousand, six hundred forty-four".