10729973091 has 4 divisors (see below), whose sum is σ = 14306630792. Its totient is φ = 7153315392.

The previous prime is 10729972927. The next prime is 10729973143. The reversal of 10729973091 is 19037992701.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10729973091 - 2⁹ = 10729972579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10729973091.

It is not an unprimeable number, because it can be changed into a prime (10729973791) 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, 1788328846 + ... + 1788328851.

It is an arithmetic number, because the mean of its divisors is an integer number (3576657698).

Almost surely, 2^10729973091 is an apocalyptic number.

10729973091 is a deficient number, since it is larger than the sum of its proper divisors (3576657701).

10729973091 is an equidigital number, since it uses as much as digits as its factorization.

10729973091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3576657700.

The product of its (nonzero) digits is 214326, while the sum is 48.

The spelling of 10729973091 in words is "ten billion, seven hundred twenty-nine million, nine hundred seventy-three thousand, ninety-one".