929991693 has 4 divisors (see below), whose sum is σ = 1239988928. Its totient is φ = 619994460.

The previous prime is 929991653. The next prime is 929991701. The reversal of 929991693 is 396199929.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 929991693 - 2¹⁷ = 929860621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (929991653) 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, 154998613 + ... + 154998618.

It is an arithmetic number, because the mean of its divisors is an integer number (309997232).

Almost surely, 2^929991693 is an apocalyptic number.

It is an amenable number.

929991693 is a deficient number, since it is larger than the sum of its proper divisors (309997235).

929991693 is a wasteful number, since it uses less digits than its factorization.

929991693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309997234.

The product of its digits is 2125764, while the sum is 57.

The square root of 929991693 is about 30495.7651650192. The cubic root of 929991693 is about 976.0971014008.

The spelling of 929991693 in words is "nine hundred twenty-nine million, nine hundred ninety-one thousand, six hundred ninety-three".