1929930769 has 16 divisors (see below), whose sum is σ = 2120630400. Its totient is φ = 1745467776.

The previous prime is 1929930731. The next prime is 1929930787. The reversal of 1929930769 is 9670399291.

It is not a de Polignac number, because 1929930769 - 2²¹ = 1927833617 is a prime.

It is a super-2 number, since 2×1929930769² = 7449265546265862722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1929930799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236052 + ... + 244090.

It is an arithmetic number, because the mean of its divisors is an integer number (132539400).

Almost surely, 2^1929930769 is an apocalyptic number.

It is an amenable number.

1929930769 is a deficient number, since it is larger than the sum of its proper divisors (190699631).

1929930769 is a wasteful number, since it uses less digits than its factorization.

1929930769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8424.

The product of its (nonzero) digits is 1653372, while the sum is 55.

The square root of 1929930769 is about 43930.9773280768. The cubic root of 1929930769 is about 1245.0321801545.

The spelling of 1929930769 in words is "one billion, nine hundred twenty-nine million, nine hundred thirty thousand, seven hundred sixty-nine".