10491732129 has 8 divisors (see below), whose sum is σ = 13989714592. Its totient is φ = 6994118880.

The previous prime is 10491732109. The next prime is 10491732133. The reversal of 10491732129 is 92123719401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10491732129 - 2⁹ = 10491731617 is a prime.

It is a super-2 number, since 2×10491732129² (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 (10491732109) 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, 17287 + ... + 145884.

It is an arithmetic number, because the mean of its divisors is an integer number (1748714324).

Almost surely, 2^10491732129 is an apocalyptic number.

It is an amenable number.

10491732129 is a deficient number, since it is larger than the sum of its proper divisors (3497982463).

10491732129 is a wasteful number, since it uses less digits than its factorization.

10491732129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184607.

The product of its (nonzero) digits is 27216, while the sum is 39.

The spelling of 10491732129 in words is "ten billion, four hundred ninety-one million, seven hundred thirty-two thousand, one hundred twenty-nine".