10988699929 has 3 divisors (see below), whose sum is σ = 10988804757. Its totient is φ = 10988595102.

The previous prime is 10988699861. The next prime is 10988699987. The reversal of 10988699929 is 92999688901.

The square root of 10988699929 is 104827.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 92999688901 = 7 ⋅13285669843.

It is not a de Polignac number, because 10988699929 - 2⁷ = 10988699801 is a prime.

It is a super-2 number, since 2×10988699929² (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 (10988699129) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 52414 + ... + 157240.

It is an arithmetic number, because the mean of its divisors is an integer number (3662934919).

Almost surely, 2^10988699929 is an apocalyptic number.

10988699929 is the 104827-th square number.

10988699929 is the 52414-th centered octagonal number.

It is an amenable number.

10988699929 is a deficient number, since it is larger than the sum of its proper divisors (104828).

10988699929 is an frugal number, since it uses more digits than its factorization.

10988699929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209654 (or 104827 counting only the distinct ones).

The product of its (nonzero) digits is 45349632, while the sum is 70.

The spelling of 10988699929 in words is "ten billion, nine hundred eighty-eight million, six hundred ninety-nine thousand, nine hundred twenty-nine".