10720969391 has 8 divisors (see below), whose sum is σ = 11784883968. Its totient is φ = 9671935000.

The previous prime is 10720969381. The next prime is 10720969397. The reversal of 10720969391 is 19396902701.

10720969391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10720969391 - 2²² = 10716775087 is a prime.

It is a super-2 number, since 2×10720969391² (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 (10720969397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3718535 + ... + 3721416.

It is an arithmetic number, because the mean of its divisors is an integer number (1473110496).

Almost surely, 2^10720969391 is an apocalyptic number.

10720969391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10720969391 is a deficient number, since it is larger than the sum of its proper divisors (1063914577).

10720969391 is a wasteful number, since it uses less digits than its factorization.

10720969391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7440093.

The product of its (nonzero) digits is 183708, while the sum is 47.

The spelling of 10720969391 in words is "ten billion, seven hundred twenty million, nine hundred sixty-nine thousand, three hundred ninety-one".