3440938493 has 4 divisors (see below), whose sum is σ = 3441126780. Its totient is φ = 3440750208.

The previous prime is 3440938481. The next prime is 3440938519. The reversal of 3440938493 is 3948390443.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 476898244 + 2964040249 = 21838^2 + 54443^2 .

It is a cyclic number.

It is not a de Polignac number, because 3440938493 - 2⁴ = 3440938477 is a prime.

It is a super-2 number, since 2×3440938493² = 23680115425218222098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440938463) 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, 63380 + ... + 104397.

It is an arithmetic number, because the mean of its divisors is an integer number (860281695).

Almost surely, 2^3440938493 is an apocalyptic number.

It is an amenable number.

3440938493 is a deficient number, since it is larger than the sum of its proper divisors (188287).

3440938493 is a wasteful number, since it uses less digits than its factorization.

3440938493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188286.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The square root of 3440938493 is about 58659.5132352801. The cubic root of 3440938493 is about 1509.7057293904.

The spelling of 3440938493 in words is "three billion, four hundred forty million, nine hundred thirty-eight thousand, four hundred ninety-three".