10729458889 has 4 divisors (see below), whose sum is σ = 11099440260. Its totient is φ = 10359477520.

The previous prime is 10729458871. The next prime is 10729458893. The reversal of 10729458889 is 98885492701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98885492701 = 13337 ⋅7414373.

It can be written as a sum of positive squares in 2 ways, for example, as 6389284489 + 4340174400 = 79933^2 + 65880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10729458889 is a prime.

It is a super-2 number, since 2×10729458889² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10729458589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184990642 + ... + 184990699.

It is an arithmetic number, because the mean of its divisors is an integer number (2774860065).

Almost surely, 2^10729458889 is an apocalyptic number.

It is an amenable number.

10729458889 is a deficient number, since it is larger than the sum of its proper divisors (369981371).

10729458889 is an equidigital number, since it uses as much as digits as its factorization.

10729458889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369981370.

The product of its (nonzero) digits is 11612160, while the sum is 61.

The spelling of 10729458889 in words is "ten billion, seven hundred twenty-nine million, four hundred fifty-eight thousand, eight hundred eighty-nine".