334142993 has 4 divisors (see below), whose sum is σ = 334183908. Its totient is φ = 334102080.

The previous prime is 334142983. The next prime is 334143031. The reversal of 334142993 is 399241433.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 215267584 + 118875409 = 14672^2 + 10903^2 .

It is a cyclic number.

It is not a de Polignac number, because 334142993 - 2²⁴ = 317365777 is a prime.

It is a super-2 number, since 2×334142993² = 223303079541996098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (334142953) 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, 3548 + ... + 26093.

It is an arithmetic number, because the mean of its divisors is an integer number (83545977).

Almost surely, 2^334142993 is an apocalyptic number.

It is an amenable number.

334142993 is a deficient number, since it is larger than the sum of its proper divisors (40915).

334142993 is a wasteful number, since it uses less digits than its factorization.

334142993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40914.

The product of its digits is 69984, while the sum is 38.

The square root of 334142993 is about 18279.5785782933. The cubic root of 334142993 is about 693.9222070891.

The spelling of 334142993 in words is "three hundred thirty-four million, one hundred forty-two thousand, nine hundred ninety-three".