929686819971 has 32 divisors (see below), whose sum is σ = 1526440785408. Its totient is φ = 490126832640.

The previous prime is 929686819951. The next prime is 929686819979. The reversal of 929686819971 is 179918686929.

It is not a de Polignac number, because 929686819971 - 2¹⁴ = 929686803587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 929686819893 and 929686819902.

It is not an unprimeable number, because it can be changed into a prime (929686819979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372270 + ... + 1413491.

It is an arithmetic number, because the mean of its divisors is an integer number (47701274544).

Almost surely, 2^929686819971 is an apocalyptic number.

929686819971 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

929686819971 is a deficient number, since it is larger than the sum of its proper divisors (596753965437).

929686819971 is a wasteful number, since it uses less digits than its factorization.

929686819971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787691.

The product of its digits is 211631616, while the sum is 75.

The spelling of 929686819971 in words is "nine hundred twenty-nine billion, six hundred eighty-six million, eight hundred nineteen thousand, nine hundred seventy-one".