929109391091 has 8 divisors (see below), whose sum is σ = 1064881826400. Its totient is φ = 794097586368.

The previous prime is 929109391033. The next prime is 929109391153. The reversal of 929109391091 is 190193901929.

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 929109391091 - 2¹⁰ = 929109390067 is a prime.

It is a super-2 number, since 2×929109391091² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (929109396091) 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, 190155026 + ... + 190159911.

It is an arithmetic number, because the mean of its divisors is an integer number (133110228300).

Almost surely, 2^929109391091 is an apocalyptic number.

929109391091 is a deficient number, since it is larger than the sum of its proper divisors (135772435309).

929109391091 is a wasteful number, since it uses less digits than its factorization.

929109391091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380315293.

The product of its (nonzero) digits is 354294, while the sum is 53.

The spelling of 929109391091 in words is "nine hundred twenty-nine billion, one hundred nine million, three hundred ninety-one thousand, ninety-one".